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When to move rockwool seedlings to dutch buckets


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  #101  
Old 06-29-2019, 10:23 AM
Stan Stan is offline
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With the high temps and humidity you’re now in I would run the sprayer all day 24hrs a day until you have a couple roots an inch or 2 long coming out of the net pots.

With it being so hot I would start the seeds indoors as 90degrees is way to hot to start seeds. You can put the rockwool cubes in a tray that holds water and have a light a couple inches away.

When they germinate set up a fan blow on them slow speed this will strengthen the stem. When you can surround them with hydroton put them in the cloner still indoors until roots are exposed then move them outdoors.

Put them in an area where they will only get 2 - 3 hours of either early morning or late evening sun. This will get them accustomed to the heat. When roots are 4 inches long put them in an area where they will get more hours of sun have the sprayers on more time than off. After a week of this transplant into buckets.

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  #102  
Old 06-29-2019, 10:26 AM
Stan Stan is offline
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I forgot to mention don’t start the seeds in any type of nutrients until they have germinated and you have the first 2 leaves opened.
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  #103  
Old 11-05-2019, 05:05 PM
gdgdad gdgdad is offline
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Default Back at it in the “permanent” greenhouse

Hello Stan, hope you’re doing OK! We haven’t talked in a while but I’ve been busy. I have my “permanent” greenhouse done except for the visqueen (which can wait a little longer), and burying a second reservoir for the aeroponic rail system. Anyway – after SEVERAL failed attempts to get seedlings going, I finally have 5 plants from the “3lb. seeds” you sent me (see pics). I’ve found that the minute a seedling sprouted in the rockwool cube (in shaded seedling tray) I transferred it to the aeroponic cloner placed in direct sunlight - intermittently shaded by trees. It worked - they started growing true leaves at about an inch tall – and all survived. I have 3 of the plants in Dutch buckets now. I’ll be ordering seeds for the aeroponic rail system soon and I’ll put that 21 net cup “super cloner” I built into service. One thing I’ll be doing for certain this time is cutting suckers for cloning – I’m just not successful with starting from seed – less than half the rockwool cubes I started even sprouted. I go back through this blog frequently to remember timer settings, nutrient ratios etc at the various growth stages. Thanks again for all your help and advice! I’ll keep you posted and – likely – ask for more advice and direction.
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  #104  
Old 11-05-2019, 05:14 PM
gdgdad gdgdad is offline
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Default PS - forgot to ad....

In the dutch buckets I'm running the VertiGro nutrients @ 30%, I'm almost out of those and their site lists that 2 pack as "out of stock". I may have to seek an alternative until they replenish their stock. The aeroponic cloner (bucket) I'm running at about 20% MiracleGro (for tomatoes).
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  #105  
Old 11-06-2019, 10:54 PM
Stan Stan is offline
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I believe they are selling 6 - 4lb bags of the 6-12-28 and 6 - 4lb bags of the 15-0-0 for a total of $150. That will last you more than 10 years depending on how much you expand.

This year was a bad one for me. I only got 1/2 of the tomatoes I would usually get. We had a very bad heat wave in early July 3 weeks of almost 100 degree heat which burnt the top of all my plants. The top didn’t start to grow again until Late August So basically I didn’t get any new tomatoes until that time and my season ended last week.

1 thing I learned you might want to try. The tomatoes that started forming late August up till the First week in September
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  #106  
Old 11-13-2019, 04:08 PM
gdgdad gdgdad is offline
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Default Update on permanent green house

Stan, sorry took so long to respond. I had issues with a replacement timer showing up DOA, then the return exchange process, and the replacement interval timer’s “On Time” dial was WAY off – had to use the stop watch on phone to set that (and mark the dial). Anyway, I’ve transferred 4 of the 5 plants into Dutch buckets, I’ll move the last one likely in a week or so. All seem healthy, 1 is easily a foot tall now. I did have some minor bug activity (small hole in a couple leaves) so I sprayed with Neems and haven’t seen any new indications of insect activity. In the Dutch buckets I’m running nutrients at ~ 30%, and ~20% Miracle grow in the cloner. I’ve started prepping for the visqueen, made clips, spacers, etc. My challenge is going to be night time heating on those rare occasions we have a frost. During the day, even on cold days, the visqueen green house I had last year would stay in upper 70s to mid 80’s just from the sun. So….. I’m looking at different heating techniques – most likely propane or electric, though I did actually entertain a wood burner. Again, I’m not looking to heat it full time, just through the night / early – morning, maintaining temp at least mid 40’s. The reservoirs have heaters and keep water in low 70’s, so during regular pump cycle timing warm water flows through buckets. Any suggestions / ideas on heating? Again, thanks for all your assistance – and stay warm up there
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  #107  
Old 11-14-2019, 09:16 AM
Stan Stan is offline
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I just noticed my last post got cut off at the bottom.

I wanted to say I cut off all nutrients on those last forming tomato plants early September and still got a good amount of good tasting tomatoes in late October. So when your plants are forming the last tomatoes for those plants you can also cut all nutrients off.

As for heating I personally worry about propane. A very small wood burning stove with Smoke exhaust going directly outside the greenhouse might be a very good option. They hold heat for a long time and are very cost efficient. Electric heaters do a great job but isn’t cost efficient if the cold lasts a long time your electric bill would shoot up. Either of the 2 you would have to weigh the options but stay away from the propane.
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  #108  
Old 12-04-2019, 05:29 PM
gdgdad gdgdad is offline
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Default Updates on greenhouse and tomatoes

Well, I think I’ve completed the green house, and just in time (see pics). We’ve already had a night go down to 39F – very unusual for this area this time of year. Luckily the greenhouse was completely enclosed and the undersized heater I had was able to keep temp just barely above 50F. I have a new heater coming Thursday that’s actually listed as “suitable for agriculture”. Ideally, it should only run at night, so hopefully it won’t kill my electric bill. It has a thermostat so I was thinking keep it at 55 – your thoughts???
Even when we have a rare 55 or so degree day (for the high), the sun takes that greenhouse well into the 80’s by 9 or 10 am. You can see from the pics the plants appear to be doing well, there’s some flowering and I’ve “pollinated” via the electric tooth brush method. All these plants are from the seeds you sent me, so you’d know better how they’re doing. I’ve removed suckers and placed them in the rockwool cubes per the method you described and into the aeroponic cloner. Can’t believe they already produced roots – not sure what I’m going to do with them, keeping them as “back up” for now. I’ll be making my annual Christmas pilgrimage to Michigan ~ the 17th., and my neighbor (the farmer from Jamaica) is going to keep an eye on things. Pumps are on timers, heater is automatic, and the 55 gal reservoir level has barely moved so I think I’ll be alright. Still running nutrients at ~ 30% - think it’s time to increase that? Thanks again for all your help, hopefully I’ll be able to send you some winter tomatoes!!
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  #109  
Old 12-08-2019, 10:10 PM
Stan Stan is offline
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50 - 55 degrees on those cold nights will be fine. 80 degrees during daylight hours is optimum temps for those plants. They will thrive in those night and daytime temps.

I wouldn't go higher than 50% nutrients for these winter plants. I don't think you'll be able to have them grow more than 10+ feet in the greenhouse. Just see how it goes with 50% if plants look healthy during that time keep it at 50%. If you see signs of the plant nutrient deficiency then go up to 75%.

The suckers in the aeroponic cloner will develop roots real fast. I would start the suckers after you have plucked your first tomatoes off the plants you currently have. If you keep them in the cloner they will catch up to the current plants you have growing in the buckets in no time. I would start the suckers in the cloner after you have plucked off your first ripe tomatoes.

Have a safe trip and a wonderful Christmas!!!
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  #110  
Old 12-09-2019, 01:16 PM
gdgdad gdgdad is offline
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Default Reply, plant training plan and question

Stan, thanks for the response! I’ll “up” the nutrients to 50%, per your suggestion, plus there’s a lot more flowering going on, and I’ll monitor them closely. On the plant height issue, I added wires the width of the greenhouse to the vertical frames (about 2” down from top), then ran strings across from center to over the Dutch buckets. From those I should be able to drop lines for the clips to train them on a “slow curve” (see pic with my arrows). And I can always add more lines up top to form more or less a matrix. That gave me ~ 8 ½ feet to the top of the Dutch bucket, and I can probably go out another 2’ via the PVC frame. I’ll try curving them early while they’re “soft”, and I’ve already started with the first plant (again see pic). We’ll see how that goes….

Question: I noticed a couple of the flowers have a real pronounced “bend” (see pics), making the flower face down. Is that normal for this variety or is something causing it? should I be concerned?

Lastly, the heater came and it seemed to do a great job. It’s first night the temps went to low 40’s, and it kept it at 60. I’ve since dialed it back hoping for the 55 range to hopefully lessen the hit on the electric bill.

As for the “clones”, I knew I was way too early, but it was a combination of seeing if I could get it to work, and for them to serve as back up’s should I lose one of the plants. Thanks for the tip on cloning when tomatoes start showing up, my goal is a continuous production. Also, I was thinking when I do replace one of the plants (with a clone) that I’d cut the bucket down to ~ 3 gallon size. That would add about 6” of height. Much of what I read says 5 gallon buckets are an over kill. Your thoughts?
Thanks, and I’ll keep you posted.
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  #111  
Old 12-09-2019, 07:03 PM
Stan Stan is offline
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Don't worry about the flowers facing down those are the big heirloom I sent you. The stems are thick and needed to hold those tomatoes. Picks below 1 of the big heirloom with tomato forming and the other of the flowers on top of the same plant. You will see some of that downturn.

The last pic is of the heirloom black cherry tomato flowers with tomatoes. You'll get lots of these tomatoes sometimes between 8-12 tomatoes oo every flowering stem.

Now the decision between 5 or 3 gallon buckets. With the 5 gallon buckets I have sometimes found roots growing into the drain pipe back to the reservoir. Not a lot of roots just some. If I had 3 gallon buckets I would expect lots of roots in the drain pipe. It could possibly clog up the draining of the buckets themselves during water cycles something that has never happened with 5 gallon. Maybe try 1 or 2 of the 3 gallon buckets and see what happens but don't go full 3 gallon until you have had the chance of growing some plants full cycle.

Now if you plan on growing plants with short roots that'll work fine tomato plants have some really long roots.
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Last edited by Stan; 12-09-2019 at 07:06 PM.
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  #112  
Old 01-06-2020, 12:40 PM
gdgdad gdgdad is offline
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Default Greetings and update(s)

Hello Stan – first off happy New Year and I hope you had a great Christmas! I returned from my annual Michigan Christmas excursion, I was gone from Dec 17th. Until Jan 4th., and as was the case last year, my neighbor kept an eye on things. Most everything is automatic, so the only real upkeep is training the vines. The heater I put in seems to be doing a good job, and we were blessed with mild weather in Florida while I was gone. At this time the heater’s on a timer from 8pm to 8am, utilizing the thermostat on the heater itself. I have an actual “wall type” thermostat coming that will run the heater regardless of time. I included a pic of my “not so sophisticated” heating system. The fan rotates blowing warm air left to right and so far so good. We’ll see what the electric bill looks like shortly…. It looks like we’ve got 4 or 5 days of low 80’s coming soon (lows never below 60) so I’ll be able to leave them uncovered all day and night - they love that sunshine!!.

Anyway, from the pics you can see they’re doing well. There’s still a lot of flowering going on. I upped the nutrients to about 75% (and I’ve run out - I’ll be making a trip to Verti Gro this month). I’ve also introduced the Epsom Salts @ 1 gram p/gallon. It’s been a challenge training them to “curve” along the roof line, but via a “network” of strings and clips, it’s working. These tomatoes really are heavy!!! Had one tomato with blossom rot, but haven’t seen any more so I’ve held off on the pickling lime. They’re consuming nutrient pretty well too – I topped off the reservoir before I left and 19 days later when I got back it took 37 gallons! Reservoir temp maintains consistently around 68/69 degrees (F).

Lastly, I’m hoping to start the aeroponic rail system soon, and I’ll continue cloning tomatoes via suckers to – hopefully - keep a continuous supply. Thanks again for all your help!
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  #113  
Old 01-06-2020, 04:18 PM
Stan Stan is offline
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Happy New Year!!! Looks like everything is running perfectly.

Very nice setup with the heater. The plants look great you already have nice forming tomatoes and a lot of flowering. The weather is working in your favor. If only 1 tomato had blossom end rot I wouldn't worry about it as long as the others show no signs of it.

Those plants will be sucking up a lot of water once those flowers start forming even more tomatoes. I don't think you need to increase the nutrients you have plenty of flowers forming the plants look really good with what they are getting at the moment. Only up the nutrients when the plants look like they need it and at the moment they don't. Yes give them the epsom salt that will make them taste really good.

Keep me updated on how everything turns out.
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  #114  
Old 01-16-2020, 04:11 PM
gdgdad gdgdad is offline
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Default Aeroponic rail seed start, “learning curve” and update….

I’ve received most of the seeds I ordered for the aeroponic rail system and have started the seeds in rockwool in netcups. I wrapped the “cage” in plastic wrap to create a “humidity dome”, seems to be working – was “foggy” when I came out this morning. So far I have a mix of vegetables, herbs and spices – 14 different types. We’ll see what happens. I have 27 “spots” on my rail system but only 21 openings in my “super cloner”, so some veggies will be started later.

Question on the Aeroponics –cloner and rail system – do I need to have an aerator in the reservoir? Given it’s “spraying” it seems that would accomplish the same thing. Your thoughts?

As for the tomatoes, they’re looking good – they’re being trained on a “learning curve” (pun intended) – as you can see in the pic. Last “top off” of the reservoir on the 12th. took 12 gallons, so they’re definitely drinking up the nutrients. I head out tomorrow to Verti-Gro for a new batch, the original batch lasted a year exactly. The tomato clones have been growing faster than I can give them away, I have a friend driving out from Sorrento to pick up the whole batch (5) and I’ll start over.

Weather has been unbelievable, 80’s and sunny for days, but it’s about to change. Long range prediction says we could hit 32F Tuesday the 21st., though a couple days later we’re back in the 70’s. I purchased a wall type thermostat to run the heater (and fan), hoping for more consistency. The “built in” thermostat didn’t seem to kick on when it should have, so this is a big test. Two of the reservoirs have aquarium heaters that seem to do a good job, and each reservoir has it own thermometer (w/ external LCD display).

That’s where I’m at – I’ll keep you posted on seedling progress – my most difficult part.
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  #115  
Old 01-17-2020, 04:23 PM
Stan Stan is offline
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Wow everything is looking great!!! Keep a good eye on any of the larger tomatoes they can really expand during the last 4 weeks to the point where you might have to attach a hammock made out of cheesecloth or similar to hold them up as the stem might not be able to.

You might want to place heavy duty aluminum foil over the top of the cloner or paint the top black since it's out in direct sun. You don't want to get any algae build up in the water. If it's only in the sun for 3-5 hours leave it be but 10+ hours of direct sun you need to do 1 or the other.


You don't need an aerator for the cloner but you do need it for the rail system. Also put a screen like the screens on windows inside the drain pipe coming out of the rail system. This will prevent any dead roots from going back into the reservoir as the water pump will suck it in and will end up clogging a sprayer or 2. Especially when you start taking plants out from the rail system and replacing with new plants. You will know what I mean when you start growing plants from the rail the roots system growing out of the net pots are gigantic.
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  #116  
Old 02-12-2020, 06:44 PM
gdgdad gdgdad is offline
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Default First tomatoes!! Status, cracking issue and aeroponics

Hey Stan, hope this update finds you well. I see the weather’s still a little chilly up there. Today we picked our first tomatoes for 2020!! 5 total, the largest 32.7 oz., smallest 17.8 oz., total of 7.2 lbs. for all of them. VERY JUICY! DELICIOUS!! - however, the tomatoes we picked have very pronounced cracking, newer ones (still green) seem to have less cracking. Everything I’ve read says it’s a water issue (too much??). Here’s where I’m at on timer settings, nutrients, weather, etc…..

- Timer ON 4 min 30 seconds (verified via stop watch on phone). Timer is OFF for 10 minutes.
- Nutrients being run at ~ 50%, with Epsom Salt added @ 1 gram per gallon.
- Since November 1st. 2019, when all 5 plants placed in Dutch Buckets, plants have consumed 117 gallons.
- Temps (lately) have been in the low 80’s, humidity fairly low. During “cold spells”, I was able to maintain temp inside greenhouse at ~ 45F minimum (typically over 50F).
- Plants are easily 8 ft. or taller, new blooming (flowering) going on still, tomatoes from 1” to the 2lb. size.

I finished “repairing” the aeroponic system, all leaks repaired, sprayers verified operational, just need to put in-ground reservoir. The new seedlings, as usual, not going well. I’ve only had 5 sprout out of 21 in rockwool cubes. Restarted more and made a point to log the “days to germinate” for each type. These are in the typical seed starter tray with dome, kept in the garage which stays warm and has indirect light during day hours.

So…… any advice / direction appreciated. I’ve added pics and if you need to see something specific, let me know and I’ll take a pic. Thanks so much!
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  #117  
Old 02-13-2020, 03:30 PM
Stan Stan is offline
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With the cracking cut down drastically for water on. First try for only 1 minute on 20 minutes off. If plants look good after a couple hours reduce on time to 30 seconds on. Again if all looks good then extent off time to 30 minutes.

The most important thing you want to reduce the water on time. The plants suck up so much water they over expand and start to crack so water intake needs to reduce and time between watering also needs to be reduced. This is something you need to keep track of especially keep track of air temps with on off times.

For me I don’t mind the cracks as long as they are small but when they are large that’s when I refuse watering to the bare minimum.



As for the seed starter the beast thing to have is a seed starter
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  #118  
Old 04-24-2020, 02:57 PM
gdgdad gdgdad is offline
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Default Updates, status and checking in…

Hey Stan, Haven’t talked in a while, hope everything’s OK in your area. I’m still going strong and have already “retired” two of the plants you sent me. So I have 3 of the large heirlooms (from seeds you sent me) still producing and I have a cherry and “tear drop” in 2 of the Dutch buckets. I also have a Big Boy and a Big Daddy in the cloner bucket. The rail system really took off (see pics). All the herbs/spices grew quickly into large bushes, the Bok Choy is fantastic, had some for dinner yesterday along with the first summer squash. The Dutch buckets have consumed 381 gallons of nutrient since November 1st. !

I have some butter crunch lettuce in the infant stage (seed starter) as well for the rail system. I tried Tom Thumb lettuce seeds but after 3 tries (and many rockwool cubes) not a one germinated. I still seem to be having an issue getting seeds to germinate. I’m using the standard 10X20 seedling tray with mat, but still some seed types never germinate.

I do wish now I would’ve laid the rails out as you suggested – flat 8’ lengths. I had to build a platform for the squash – one plant has 7 squashes! I’ve learned a number of lessons and may “re-do” the rail system at some time. I’m thinking 10’ X 6” diameter pvc with more spacing and access holes to sprayers. I envision a type of “tray” between pipes for things like small mellons, squash, cucumbers etc. Anyway – that’s an AutoCad project for another day.

Again, hope all is well, stay in touch!
GDGDAD
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  #119  
Old 05-05-2020, 05:23 PM
Stan Stan is offline
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Hi sorry got back to you so late just noticed your post today.

With any type of lettuce I always start them off in planter pots with very moist soil. A couple seeds in each they will sprout very quickly. Once they are say 1 inch tall you can transfer to rockwool cubes. I usually split the rockwool cubes on 1 side up to the center. I then take the small lettuce plant place the root down the center of the cube, close the cube, place cube in net pot, fill sides with hydroton then put in cloner. Keep in cloner until you see roots starting to show then place in the area you want to let grow till finish.

10' X 6" PVC are expensive. Are you having problems with clogging sprayers? If yes you should put screens at the pipes leading to the main pipe that empties into the reservoir. You should also place a screen right where the water enters the reservoir.

I have all my tomato plants in the cloner waiting to be put in the buckets either by the end of this week or next.
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  #120  
Old 05-28-2020, 06:20 PM
Stan Stan is offline
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This year I decided to do away with the perlite and just go low pressure aeroponic. Cleaned out all my 5 gallon buckets and made some changes to do 5 gallon aeroponic. I transferred my tomato plants from the aeroponic cloner to the 5 gallon buckets 5 days ago and already the roots are starting to get very bushy with this aeroponic system. I am thinking these buckets will be filled with roots by the time I have to end the grow in September or October. I put a small layer of hydroton in the bottom of the buckets so most of the nutriens will drain back into the reservoir.

I still have to set up my big tomato cages around all the buckets and will secure them to the wood boards the 5 gallon buckets are sitting on. Everything is set up right on time and hopefully things work out the way I have planned.

Posted 2 pictures 1 of the line of tomato plants and 1 of the roots getting watered after 5 days in the 5 gallon buckets.

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