Water & Nutrients
Water and nutrients are the backbone of any hydroponic setup, and getting them right is what separates healthy, productive plants from constant headaches. The water is more than just a carrier—it sets the stage with proper pH, dissolved oxygen, and mineral balance. Nutrients then fill in the rest, supplying everything the plant would normally pull from soil. Different growth stages demand different formulas, and even small mistakes in mixing or measuring can show up fast in a hydro system. This section covers the fundamentals in a straightforward way: how to manage pH and PPM, how to pick the right nutrient line, how to mix and feed properly, and how to spot problems before they snowball. If you want to keep your plants strong from seedling to harvest, this is where it all starts.
Water & Nutrients
- Hydroponic Water Basics (pH & PPM)
- Nutrient Types & Mixing Guides
- Feeding Schedules (Vegetative vs Flowering)
- Organic vs Synthetic Nutrients
- Common Water Problems & Fixes
Related Tools:
- Nutrient Mixing Calculator – calculate exact nutrient dosing based on EC targets, reservoir size, and growth stage
- EC to PPM Converter – instantly convert EC readings into all major PPM scales (500, 650, 700)
- Reservoir Top Off Calculator – fix nutrient spikes by calculating exact dilution water needed
- Hydroponic pH Calculator — Dosage and Drift Analysis – Estimate how much pH Up or pH Down to add. The calculator also analyzes long term pH drift patterns to help diagnose unstable reservoirs.
For a foundational overview of hydroponic growing, see our What Is Hydroponics guide.