Air Stone Round 4" Garden Accessories They turn dead roots into

They turn dead roots into minerals and sugars

· Made in the USA

Emerald Goddess contributes additional macronutrients

· Steady supply of CO2 for 6 months guaranteed

60 Amp maximum (30 amps x 2 relays)

Air Stone Round 4" Garden Accessories They turn dead roots intoActive Aqua air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it aerates and circulates nutrients. Air stones will extend the life of your nutrient solution, help keep roots healthy, and promote exceptional growth. Choose from two versatile, round air stone disc sizes. This one is 4" inches.