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Search: Posts Made By: hydrophotobio
Forum: Your Hydroponics Setup 05-30-2011, 02:27 PM
Replies: 17
Views: 12,389
Posted By hydrophotobio
Lettuce bolted on me when the temps got too warm....

Lettuce bolted on me when the temps got too warm. I thought chilling the nutrient solution for the root zone would be enough. Ah well.
Forum: Hydroponics 05-30-2011, 02:22 PM
Replies: 17
Views: 11,262
Posted By hydrophotobio
Look up SEA-90. Some of the best stuff ever,...

Look up SEA-90.

Some of the best stuff ever, just needs a dry nitrate supplement for maximum effect.
Forum: Hydroponic Grow Lights 05-15-2011, 11:07 AM
Replies: 17
Views: 13,210
Posted By hydrophotobio
"First, I and most people are interested in...

"First, I and most people are interested in growing plants larger than 10 inches."

You aren't understanding what the umol is about. Let me make it a bit more clear.

That's the same distance a...
Forum: Hydroponics 05-15-2011, 10:52 AM
Replies: 24
Views: 14,319
Posted By hydrophotobio
"i know for a fact that 20/24 lighting is the...

"i know for a fact that 20/24 lighting is the best for veg"

I'm going to pull a GPS here and say "show me the study and re-creatable experiment."

"i also know that led is not up to scratch with...
Forum: Hydroponic Grow Lights 05-12-2011, 11:05 AM
Replies: 17
Views: 13,210
Posted By hydrophotobio
"But good quality LED's are not cheep, and only...

"But good quality LED's are not cheep, and only have an effective distance of about 18 inches"

I can pop 2,000 umol (sunlight intensity) near 10 inches. The low range of high light levels begins...
Forum: Hydroponics 05-12-2011, 11:00 AM
Replies: 24
Views: 14,319
Posted By hydrophotobio
"but it is in black and white. metal halide for...

"but it is in black and white. metal halide for veg, hps for flower"

Almost every professional production greenhouse disagrees with you, at least the ones I've been in from Morocco to Australia.
...
Forum: Hydroponics 05-11-2011, 10:05 PM
Replies: 24
Views: 14,319
Posted By hydrophotobio
How do I come to that conclusion? Years of...

How do I come to that conclusion? Years of professional testing as part of my duties as research director for a large multi-national horticultural company.

Go look at the sun? Does the sun change...
Forum: Your Hydroponics Setup 05-11-2011, 06:32 PM
Replies: 7
Views: 8,001
Posted By hydrophotobio
Are you using the ground as your temperature...

Are you using the ground as your temperature control? Good job if you are!
Forum: Hydroponic Nutrients and Mediums 05-11-2011, 06:27 PM
Replies: 7
Views: 9,483
Posted By hydrophotobio
Have a picture of clones in soil vs hydro, both...

Have a picture of clones in soil vs hydro, both using Florikan Dynamite.

Note how much better the hydro plants look. The ones in soil were the mother plants and the clones outgrew the mothers just...
Forum: Hydroponics 05-11-2011, 06:21 PM
Replies: 24
Views: 14,319
Posted By hydrophotobio
Because leaves are essentially solar panels in...

Because leaves are essentially solar panels in the entire photon-dependent energy system.

Faster than HPS or MH.

More potent as well. Potency is directly related to two things - genetics and...
Forum: Hydroponic Grow Lights 05-11-2011, 06:04 PM
Replies: 17
Views: 13,210
Posted By hydrophotobio
"led lights are a waste of time" Oh, really?...

"led lights are a waste of time"

Oh, really? I think these plants in my home garden would beg to differ.

April 30th vs May 11 - 11 days of growth.

Beating summer sun production rates, ahead...
Forum: Hydroponics 05-09-2011, 07:49 PM
Replies: 24
Views: 14,319
Posted By hydrophotobio
Couple of pictures from prior grows. Same system,...

Couple of pictures from prior grows. Same system, different approaches.

Regular-light picture, a crop grown with the majority of leaves removed.

Note the smaller buds, maybe half as long as my...
Forum: Hydroponic Nutrients and Mediums 05-09-2011, 01:17 PM
Replies: 7
Views: 9,483
Posted By hydrophotobio
If you ever get a chance, check out Florikan...

If you ever get a chance, check out Florikan Dynamite. essentially, once the ammonia-based nitrogen is removed (leavingonly nitrates) it's 6.5-13-13 and quite awesome. In a 4 gallon DWC I had a huge...
Forum: Hydroponics 05-09-2011, 01:09 PM
Replies: 24
Views: 14,319
Posted By hydrophotobio
Yes. The clones come from mature female stock. My...

Yes. The clones come from mature female stock. My method of identification relies upon letting them get old, after a period of time they will force pre-flowering. I usually keep my mother plants...
Forum: Hydroponics 05-08-2011, 11:27 AM
Replies: 24
Views: 14,319
Posted By hydrophotobio
Speaking as a medical cannabis patient (and...

Speaking as a medical cannabis patient (and landrace breeder for genetics preservation seedbanks out in the Netherlands and Finland,) NFT works just fine for cannabis.

Your best bet is flowering...
Forum: Hydroponics 05-04-2011, 05:27 PM
Replies: 7
Views: 5,889
Posted By hydrophotobio
Minimize your costs by trying to DIY the majority...

Minimize your costs by trying to DIY the majority of things.

Examples attached.
Forum: Your Hydroponics Setup 04-29-2011, 04:27 PM
Replies: 12
Views: 10,769
Posted By hydrophotobio
My only personal beef with aeroponics is the...

My only personal beef with aeroponics is the possibility of sprayer clogging. I'm doing some chives in soil at the moment, however I could easily see them doing well in a BiB-DWC with a fine grade of...
Forum: Your Hydroponics Setup 04-29-2011, 11:38 AM
Replies: 12
Views: 10,769
Posted By hydrophotobio
What's your opinion on using large rockwool slabs...

What's your opinion on using large rockwool slabs for root crops? I pondered getting one of those large Grodan slabs, turning it on its side length-wise, and trying some carrots and beets.
Forum: Hydroponics 04-26-2011, 02:27 AM
Replies: 2
Views: 4,261
Posted By hydrophotobio
If you are in soil, drop an inch of sand or...

If you are in soil, drop an inch of sand or diatomaceous earth on the top of your soil and sink the bottom of the pot into another inch or two of sand/DE.
Forum: Hydroponics 04-26-2011, 02:25 AM
Replies: 7
Views: 5,889
Posted By hydrophotobio
Go hydro, do NFT for your vegetatve crops such as...

Go hydro, do NFT for your vegetatve crops such as lettuce and herbs, DWC for fruit-bearing crops.

Just my 2c.
Forum: Hydroponics 04-23-2011, 01:53 PM
Replies: 9
Views: 8,439
Posted By hydrophotobio
Video - TinyPic - Free Image Hosting, Photo...

Video - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting (http://tinypic.com/r/2r5gleg/7)

This is the kind of system you would likely need to accomplish your desires. Small footprint,...
Forum: Your Hydroponics Setup 04-22-2011, 06:32 PM
Replies: 41
Views: 31,238
Posted By hydrophotobio
Looking absolutely beautiful! DWC hauls major...

Looking absolutely beautiful! DWC hauls major butt so expect insane growth, especially if you're forcing a lot of oxygen through the nutrient solution!
Forum: Hydroponics 04-21-2011, 08:47 PM
Replies: 26
Views: 13,049
Posted By hydrophotobio
As long as the net pot is secure you should have...

As long as the net pot is secure you should have zero problems unles the stems of your plant are going to outgrow the net pot.
Forum: Hydroponic Grow Lights 04-21-2011, 08:45 PM
Replies: 6
Views: 11,217
Posted By hydrophotobio
(deleted by hydrophotobio)

(deleted by hydrophotobio)
Forum: Hydroponic Grow Lights 04-15-2011, 12:08 PM
Replies: 11
Views: 10,252
Posted By hydrophotobio
I have noticed that LED really seems to...

I have noticed that LED really seems to supercharge hydroponics, where soil tends to lag behind.
Showing results 1 to 25 of 56

 
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