General Hydroponics FloraPro - Micros + Calcium size:25 lb 24-Hour Cycle Programming - Set

24-Hour Cycle Programming - Set precise on/off schedules to match your plants' needs

to regulate pH

How to Use a Heat Mat Put a heat mat under seed starting flats

The B-500H's groundbreaking rounded-edge design eliminates this problem

General Hydroponics FloraPro - Micros + Calcium size:25 lb 24-Hour Cycle Programming - SetGeneral Hydroponics FloraPro Calcium + Micros A must have for any hydroponics gardener, the FloraPro Calcium + Micros blend delivers key secondary and micronutrients necessary for optimal plant health. It helps to fortify your plants' natural defenses, aids in cell wall structure, and promotes efficient nutrient uptake. Its 25 lb pack provides a highly concentrated, cost effective solution for enhancing your plants' overall vitality and productivity.