PRECISION NUTRIENT FORMULATION TOOL
HydroGuide BD — Stock A & Stock B Calculator
Calculate exact gram weights and dosing volumes for BARI Gazipur and Science in Hydroponics (HydroBuddy) nutrient formulations.
BARI GAZIPUR & SCIENCE IN HYDROPONICS STANDARD
HydroGuide Stock A & Stock B Nutrient Calculator
Select your crop and reservoir size below to calculate exact salt weights (in grams) for 100x Stock Tanks (10L each) and daily dosing volume (in mL).
Add to Working Reservoir
200 mL A + 200 mL B
Never mix concentrated Stock A and B directly
Target EC & pH Range
EC 1.8–2.5 dS/m • pH 5.8–6.2
Stock Solution A (Calcium & Iron Tank)
| Calcium Nitrate [Ca(NO₃)₂·4H₂O] | 950.0 g |
| Chelated Iron (EDTA-Fe 13%) | 40.0 g |
Stock Solution B (Phosphates, Sulfates & Micros)
| Potassium Nitrate (KNO₃) | 810.0 g |
| Magnesium Sulfate (MgSO₄·7H₂O) | 500.0 g |
| Monopotassium Phosphate (KH₂PO₄) | 155.0 g |
| Boric Acid + Mn/Zn/Cu/Mo Micros | 7.39 g |