Round Air Stone 8.5"x1" Grow Media Adding this poly film to

Adding this poly film to your walls requires no structural changes -- you'll leave your place exactly as you found it

lush green vegetation in a 100% soluble form

Use Cal-Mag as a supplement to a base nutrient series for guaranteed professional results

By combining Advanced Nutrients pH Perfect® Micro with pH Perfect Grow and pH Perfect Bloom

Round Air Stone 8.5"x1" Grow Media Adding this poly film toActive 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 8" inches. Uses 3 8" ID tubing.