Biomin calcium 15%, Biomin iron 18%, Biomin  copper 17%, Biomin manganese 18%, Biomin zinc 20%. Organic, amino acid chelated, soluble powder fertilizers for foliar and soil applications.

At customhydronutrients.com we specialize in dry fertilizer compounds that are completely soluble in water.

• Yaraliva Greenhouse Grade calcium nitrate

• Haifa Multi-MKP mono-potassium phosphate

• ICL PeKacid solid phosphoric acid and ICL PeaK MKP

• Giles Magriculture magnesium sulfate

• Haifa Magnisal magnesium nitrate

• Yara SQM UltraSol SOP 52 potassium sulfate

• PQ corporation's AgSil 16H potassium silicate powder

• Soluble Fulvic Acid, 69% water soluble powder

• full selection of chelated trace elements

 You will find the full selection in the index to the left under Dry Inorganic Nutrient Salts.

Check out our Package Deals where you can save 10%.

We also stock a full range of pre-mixed water soluble fertlizers from Everris Peters Professional

• Hydroponic Special 5-11-26

• S.T.E.M. soluble trace element mix

• Peat-lite Special 10-20-10

• Peters Professional Blossom Booster 10-30-20 and others.

• Masterblend Tomato Special 4-18-38

If you want natural and organic fertilizers, we have in stock

• Ferti-Nitro 13-0-0 soluble amino acid fertilizer

• Soluble Seaweed extract 0-0-14

• CalPhos soft rock phosphate 0-3-0

• Solution Grade Gypsum

• Acadian Kelp Meal 1-0-2

• Organically Grown Alfalfa Meal 2-0-2

• Crab Shell Meal 4-3-0

• Organic K+ Potassium Sulfate 0-0-50

• Vansil Wollastonite Natural Calcium Silicate fertilizer

and many more OMRI and CDFA approved fertilizer inputs.

I highly recommend to you Ferti-Organic's Soluble Fulvic Acid and their Neem Cake. Which, at 1,000ppm Azadirachtin, 850ppm Nimbin and 1,500ppm Salanin, is the highest analysis neem meal we have seen.

Our selection of soluble silicon fertilizers includes new products such as:

• Grow-Sil 99.9% Pure Amorphous Biogenic Silica, the highest purity bogenic silica available to growers today. 

• PQ corp. Sil-MATRIX™ OMRI listed soluble potassium silicate, also known as AgSil 25. 

• Growth Products SiTKO SA 0-7-17, with silicate, phosphite and salycilic acid

• Growth Products Sil-Guard with silicate, phosphite and humic acid

• Dyna-Gro Pro-Tekt potassium silicate fertilizer

​Browse our full selection of plant biostimulants, including humic and fulvic acid, kelp/seaweed, chitosan and beneficial microbes