8" (200mm) Flat Circular Air Stone for High Output Air Pumps Media Start-R does what it should

Start-R does what it should without fuss

Key additives: Humates

Stock tank mixing rate: Max 2

The observation window lets you check progress without opening the tent and disturbing the climate

it's more effective and chemically stable than comparable single-function boosters

8" (200mm) Flat Circular Air Stone for High Output Air Pumps Media Start-R does what it should8 Inch (200mm) Flat Circular Air Stone High Output Oxygenation for Large Reservoirs Best for: Growers oxygenating large nutrient reservoirs who already run a high output air pump. Our thoughts Well oxygenated roots are one of the cheapest performance wins in hydro, and this flat 8 inch stone is built to sit flush on the bottom of a big tank and cover a wide area rather than bubbling away in one corner. Just make sure your pump can actually drive it