BARI GAZIPUR × DR. DANIEL FERNANDEZ (HYDROBUDDY) • 12-ELEMENT STOICHIOMETRIC SOLVER & MOBILE APP
HydroGuide BD v2.0 — Full-Power Nutrient Calculator & Official App Hub
Calculate exact gram weights, raw water ion subtraction (Ca, Mg, S, HCO₃⁻), acid titration, and BDT costs across all 12 essential macro & micronutrients — or download the official Android APK and launch the 8-tab interactive web app.
HydroGuide BD v2.0 & "Hydroponics Step by Step" Mobile/Web App
Full 12-element stoichiometric nutrient solver, Bangladesh tube-well water alkalinity titration, EC prediction, BDT cost estimation, plus our complete 8-module Android & Web application (Calculator, 44 Salts, Water Profiles, 40+ Crops, Plant Doctor, BDT Logbook & Academy Quiz).
1. Stock A & B Solver
2. 44 Salts & BDT Prices
3. BD Water & pH Titration
4. 40+ Crop Formulas
5. Plant Doctor & Academy
1️⃣ Crop Preset, Tank Setup & Water Profile BARI & HydroBuddy
Ca: ppm • Mg: ppm • S: ppm • HCO₃⁻: ppm
2️⃣ Target Elemental Concentrations in Working Solution (ppm = mg/L)
Edit any elemental target (in mg/L) below. The HydroBuddy stoichiometric engine immediately recalculates the optimal salt weights for Bangladesh greenhouse-grade fertilizers.
🔵 STOCK TANK A — Calcium, 40% KNO₃ & Chelated Iron 10 L Drum
Dissolve these salts in clean water inside Drum A. Never mix concentrated Tank A directly with Tank B!
| Fertilizer Salt | Formula & Grade | Exact Weight to Weigh | Est. Cost (BDT) |
|---|
🟢 STOCK TANK B — Phosphates, Sulfates, 60% KNO₃ & Micros 10 L Drum
Dissolve these salts inside Drum B. Weigh micronutrients on a 0.01g digital pocket scale.
| Fertilizer Salt | Formula & Grade | Exact Weight to Weigh | Est. Cost (BDT) |
|---|
📋 Step-by-Step Farm Mixing Protocol
🔬 Stoichiometric Verification: Target vs. Achieved Profile (mg/L) HydroBuddy Mass-Balance Audit
| Element | Target (ppm) | From Water | From Salts | Total Achieved | Status |
|---|