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Search: Posts Made By: omerizm
Forum: Hydroponics 06-03-2011, 01:23 PM
Replies: 17
Views: 11,272
Posted By omerizm
Buying straight fertilizers and mixing your own...

Buying straight fertilizers and mixing your own is the cheapest. For me, most economical forms of fertilizers for each macro element are as follows:

N: calcium nitrate, ammonium nitrate, potassium...
Forum: Hydroponics 05-17-2011, 05:46 PM
Replies: 2
Views: 4,266
Posted By omerizm
The plants look like cucumber, squash or sth from...

The plants look like cucumber, squash or sth from that family, they are all similar.

Yellowing between veins beginning on younger leaves usually mean Zn or Mn deficiency. Mg and Fe deficiency...
Forum: Hydroponics 05-17-2011, 03:13 PM
Replies: 3
Views: 4,828
Posted By omerizm
I need tons of water, so bottles are not an...

I need tons of water, so bottles are not an option. Thanks for the program. I wrote a simple excel sheet that does the job but this is definitely prettier and more functional.
Forum: Hydroponics 05-17-2011, 05:03 AM
Replies: 3
Views: 4,828
Posted By omerizm
Nutrient solution composition problem

I'm having a hard time figuring out how to prepare my nutrient solution so I decided to ask for opinions. Any help is wellcome. Here it goes:


My source water has 72 ppm ca, 30 ppm Mg and it is...
Forum: Hydroponics 12-20-2010, 04:04 PM
Replies: 33
Views: 18,728
Posted By omerizm
Hello one800fish, Of course there is. The...

Hello one800fish,

Of course there is. The one I use to control my cooler works exactly as you described. Here it is:

Enda (http://www.enda.com.tr/ENG/Products/Urunler.aspx?UrunID=170)

And...
Forum: Hydroponics 12-19-2010, 12:00 PM
Replies: 33
Views: 18,728
Posted By omerizm
Hello Gpsfrontier, Well I am a mechanical...

Hello Gpsfrontier,

Well I am a mechanical engineer, and I am "impressed with" formulas eheh :) You need to consider the max amount of cooling you need in the hottest season, and the max....
Forum: Hydroponics 12-19-2010, 07:47 AM
Replies: 33
Views: 18,728
Posted By omerizm
Hello GPSFrontier, No, to be honest I did...

Hello GPSFrontier,

No, to be honest I did not built this one, the only cooler I built and used was the one described in this thread, that I posted pictures of. And it was successful, I mean it...
Forum: Hydroponics 12-18-2010, 12:56 PM
Replies: 33
Views: 18,728
Posted By omerizm
İf you can find a cheap, used small fridge (like...

İf you can find a cheap, used small fridge (like the ones used in dorms) you can build your own easily.

take out the freezer compartment if there is any, put about 25 meters of thin walled hose...
Forum: Hydroponics 07-29-2010, 07:44 AM
Replies: 15
Views: 10,439
Posted By omerizm
Interesting design! And in the second photo the...

Interesting design! And in the second photo the root mat next to the tube is huge :)
Forum: Hydroponics 07-28-2010, 06:24 AM
Replies: 15
Views: 10,439
Posted By omerizm
My opinion is, you could still use a circular...

My opinion is, you could still use a circular cross section and put 2 rows of holes in each tube as you plan to do with 4*4 pipe.

Like this:
...
Forum: Hydroponics 07-27-2010, 10:03 AM
Replies: 15
Views: 10,439
Posted By omerizm
This is an interesting idea GpsFrointier. But do...

This is an interesting idea GpsFrointier. But do you really need the gullies to be rectangular? Why don't you use 4 or 6 inch circular pipes?
Forum: Hydroponics 07-26-2010, 03:54 AM
Replies: 15
Views: 10,439
Posted By omerizm
It is an NFT system. It is true that the plants...

It is an NFT system. It is true that the plants in the cups sit closer to the water. All Plants seem to be ok for now, the leaves look good and they are growing. I just want to understand why this is...
Forum: Hydroponics 07-25-2010, 05:28 PM
Replies: 15
Views: 10,439
Posted By omerizm
Root Health - Rockwool vs Perlite

I have different types of lettuce growing in my DIY NFT system. As a medium, I used rockwool cubes and cups filled with perlite.

The roots of those grown in rockwool cubes don't look healty. The...
Forum: Hydroponics 07-08-2010, 06:24 AM
Replies: 33
Views: 18,728
Posted By omerizm
pec0054, What I use is an ordinary digital...

pec0054,

What I use is an ordinary digital thermostat. It has a sensor to measure the temperature. Also it has an electrically controlled switch, which is called a "relay". The controller can be...
Forum: Hydroponics 07-07-2010, 02:58 PM
Replies: 8
Views: 5,086
Posted By omerizm
For a big tomato plant there may not be enough...

For a big tomato plant there may not be enough space for the roots to grow.

Also, your setup is ok for a drip system but for ebb&flow, how do you plan to maintain a certain water level during the...
Forum: Hydroponics 07-07-2010, 11:57 AM
Replies: 33
Views: 18,728
Posted By omerizm
Here are some photos of my setup: ...

Here are some photos of my setup:

http://img411.imageshack.us/img411/9131/img0239kr.jpg
Water tank of the evap. cooler.
There is a float valve attached, orange ball.
Two pumps inside. ...
Forum: Hydroponics 07-02-2010, 04:17 PM
Replies: 33
Views: 18,728
Posted By omerizm
Here is the coil. I put a pencil too so you can...

Here is the coil. I put a pencil too so you can compare the size.

http://img139.imageshack.us/img139/7182/img0220l.jpg

I will post pictures when I complete the setup.
Forum: Hydroponics 07-01-2010, 06:29 PM
Replies: 33
Views: 18,728
Posted By omerizm
Bending the tube turned out to be difficult...

Bending the tube turned out to be difficult without proper tools, so I asked a friend to do it in his toolshop. I hope to have it by tomorrow. I will post pictures.

Let me explain how I have cool...
Forum: Hydroponics 06-30-2010, 10:04 AM
Replies: 33
Views: 18,728
Posted By omerizm
Thank you all for the ideas & suggestions. ...

Thank you all for the ideas & suggestions.

I had mixed comments about using copper and today I decided and bought stainless steel tube. 7.5 mm diameter, 0.40 mm thickness, 6 meter long. I guess...
Forum: Hydroponics 06-27-2010, 12:04 PM
Replies: 7
Views: 5,389
Posted By omerizm
I can not collect rain. Also here it does not...

I can not collect rain. Also here it does not rain much in summer months, when I need water most.
Forum: Hydroponics 06-27-2010, 11:57 AM
Replies: 33
Views: 18,728
Posted By omerizm
Thanks Joe, as you said it is not a permanent...

Thanks Joe, as you said it is not a permanent solution but it will help till I find one.
Forum: Hydroponics 06-26-2010, 09:30 AM
Replies: 33
Views: 18,728
Posted By omerizm
Yes you are right, its the kind of pad that is...

Yes you are right, its the kind of pad that is used in swamp coolers. They are commonly used in greenhouse cooling.

http://www.igcusa.com/greenhouse_cooling_information.htm

The water dripping...
Forum: Hydroponics 06-26-2010, 07:40 AM
Replies: 33
Views: 18,728
Posted By omerizm
Or maybe aluminum tubing?

Or maybe aluminum tubing?
Forum: Hydroponics 06-26-2010, 07:24 AM
Replies: 7
Views: 5,389
Posted By omerizm
I change the solution every two weeks. Most of...

I change the solution every two weeks. Most of the plants are small and the system is closed well to minimize evaporative losses so there is not much loss of water.

HCl is hydrochloric acid. As...
Forum: Hydroponics 06-26-2010, 07:10 AM
Replies: 33
Views: 18,728
Posted By omerizm
Its the water coming out of the evaporative...

Its the water coming out of the evaporative cooler pad. The circulated water that wets the pads is always cool, about 20 C. Theres as much cool water as the nutrient solution so it will be enough.
...
Showing results 1 to 25 of 28

 
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