Safer Gro pH Down Options:pH Down, 1 gal PhysioSpec Indoor: 2

PhysioSpec Indoor: 2

Length 7-5/8"

000 hour lamp changes and enjoy a small energy savings along the way

The longest RAY family member at 66″

Safer Gro pH Down Options:pH Down, 1 gal PhysioSpec Indoor: 2pH Down Acidifier pH Down is an additive designed for use when you need to lower the pH into a more acidic range. The organic acid present in pH Down gently lowers the pH of water, making nutrients more available and increasing uptake. Additionally, unlike other hazardous pH lowering agents, pH Down is safe to handle and is suitable for use in organic food production. Along with lowering pH levels, pH Down has several other functions: compatibility