Instructor demonstrates small hydroponic system setup, stresses pH checks and hydroponic-only inputs
A presenter demonstrated a small hydroponic system, showing pump and air-stone setup, raft placement and pH testing; the instructor warned to use only hydroponic-specific fertilizers and to adjust pH with appropriate acids.
The full story
An instructor demonstrated a small hydroponic system and walked attendees through pump adjustments, air-stone placement, raft installation and pH testing.
Sign up to keep reading.
Your free newsletter brings you what your city council, county, and school board discussed and decided.
or