Contains 44.9% potassium (K). Use to provide extra potassium. A macronutrient essential for healthy plant growth. 1 lb Guaranteed Analysis: Soluble Potash(K2O) ............. 52% Sulfur(S) ...........

Iron Chelate 11% DPTA (Diethylenetriaminepentaacetic acid) Chelating Agent 1/2 lb Select a reclosable bag or our new GLA Fert Jars for easy storage and dosing. Research before your fertilize. For...

Calcium Sulfate (CaSO4) CaSO4*2H2O 1 lb Use to provide Calcium (Ca) to plants. GUARANTEED ANALYSIS (%) Calcium Sulfate Dihydrate(CaSO4.2H2O)   97% Calcium(Ca)   ..................

A mix of essential macro and micronutrients. Use to provide Calcium and Magnesium. Use to boost the general hardness (GH) of soft water or RO (reverse osmosis) water. 1 lb The Ultimate GH Booster...