Category: Hydroponics

How to choose a pH meter for hydroponics, calibrate it with two buffers, store and clean the probe, and fix drifting readings, with target pH and EC numbers from extension sources.

Clay pebbles (LECA) drain fast, never rot and can be reused for years. Here's how to prepare a new bag, which systems suit them, and the five-step clean-and-reuse routine backed by research.

Is hydroponics worth it at home? Real setup costs from $25 to $1,000, running costs, lettuce-by-lettuce payback math and when to skip it.

What is hydroponics? Growing plants in nutrient-rich, oxygenated water instead of soil: how it works, the 6 system types, honest pros and cons.

Lettuce tip burn is caused by poor calcium delivery to fast-growing inner leaves, not a lack of calcium. Here are the research-backed airflow, light, EC and variety fixes that stop it.

Algae in hydroponics grows wherever light reaches nutrient solution. Here is what the research says about its effect on crops, the numbers to hold, a step-by-step clean-out and safe hydrogen peroxide...