Passive Hydroponics

No-pump, passive hydroponics for small-space and apartment growers — Kratky method, net cups, nutrients, pH, and reservoir care.

Algae in a Hydroponic Reservoir: Why It Happens and How to Block Light

Algae grows in a hydroponic reservoir for one simple reason: light is reaching the nutrient...

For hydroponic vegetables, keep the nutrient solution's pH between about 5.5 and 6.5 — most...

You can build a working hydroponic garden from a mason jar, a net cup, and...

For starting seeds in passive hydroponics, rockwool holds the most water and roots seedlings fastest,...

Hydroponic nutrients are complete mineral fertilisers that dissolve fully in water and give a plant...

For small-space passive hydroponics, a 2 inch or 3 inch mesh net cup is the...

Lettuce is the crop the Kratky method was practically designed for: it is shallow-rooted, fast,...

The Kratky method is the simplest way to grow leafy greens indoors: you suspend a...