hydro recipies

[bart]

does anyone have any diy hydro formulas to mix your own

pre mixed store hydro can be expensive and i have seen recipes in America on the net i would like to start a thread on what members have used and what works i have some of my own using sea sol/power feed and us mixes but as i only have a small trial h/p system running along with the a/p system i cannot give results very quickly all members with any sugestions welcome to submit to futher the knowllege base also formulas to keep a/p systems running b/w old and new fish stocks

[GaryD]

Hi Bart,

See if you can connect with a local Hydroponics Club. They often buy the basic ingredients and mix their own......and they may be prepared to sell you some.

Gary

[russellspringsfarm]

I have been using the following “homemade” recipe for hydroponic lettuces for the past two years using the following ingredients; Calcium nitrate, magnesium sulfate, potassium nitrate, triple super phosphate, ammonium sulfate, iron sulfate, boric acid, zinc sulfate, manganese sulfate, copper sulfate, and sodium molybdate. My system operates similar to that of a raft culture system in that the roots are constantly submerged. Set up is 2” holes in 3” diameter pvc pipe. Pipes operate at ¾ to 7/8 full. Water within pipes have strong flow and is oxygenated.
I set up 4 buckets with lids to serve as “stock solution”. The triple super phosphate is not completely soluble (about 70%). It goes into its own bucket for this reason. Non-soluble portion settles to bottom.
Bucket one (P): 10 liters water and 300 grams triple super phosphate
Bucket two (sulfates): 10 liters water, 500 grams MgSO4(7H2O), 75 grams ammonium sulfate, and 40 grams iron sulfate.
Bucket 3 (NK): 10 liters water, 1000 grams calcium nitrate (4H2O) and 400 grams potassium nitrate
Bucket 4 (traces): 10 liters water, 4 grams zinc sulfate, 3 grams manganese sulfate, and 2 grams copper sulfate, 5 grams boric acid, 2 grams sodium molybdate
Equal amounts of each stock solution are added to water at a 1:100 ratio. Thus the four buckets above will make about 1 cubic meter (264 gallons) of hydroponic solution. I operate EC about 2000 in cool weather and about 1500 in warmer weather. I have also been using it for basil, but I keep EC higher than for the lettuces. I also have to add phosphoric acid (PH down) periodically to maintain PH of about 5.5 to 6.5 (mostly when evaporation/transpiration rates are high and water is being added to replace.) My well water has a pH of about 7.7.