Apera GroStar GS1 pH Pen Safer Apply every 7-10 days when

Apply every 7-10 days when insects are present or as needed to prevent further damage

An inspired collaboration between two of the most respected lighting companies in the horticulture industry

Aeromixer makes feeding large and smaller gardens a breeze and reduces the need for air stones

Easily mixes tanks from 50-500 gallons

and rust to improve quality of fruits

Apera GroStar GS1 pH Pen Safer Apply every 7-10 days whenAI11010 GroStar GS1 pH Pen Lab grade instruments designed specifically for growers! Includes: 2 year warranty (instrument) 1 year warranty (probe) pH 7 & pH4 calibration solution (50ml bottle each) KCL storage solution (10ml bottle) Lanyard and user manual Features: Measures pH and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Easy to use design and fast calibration adjustment Double