Flat Circular Air Stones Beneficial Inoculants This has been tested and

This has been tested and shown to increase yields by a whopping 6-8% over standard NPK formulas

the two-stage safety pilot valve ensures that gas cannot flow through the system when the unit is not in use

Rooms fitted with Foilshield will naturally show less of a heat signature from outside

but improves on it with the inclusion of EDDHA

Superthrive is the go-to plant supplement for healthier

Flat Circular Air Stones Beneficial Inoculants This has been tested andFlat Circular Air Stones Keep your nutrient solution fully oxygenated with an air stone. These flat and circular air stones are great for the bottom of small to medium sized reservoirs. How Flat Circular Air Stones Work The flat circular air stone is a 4 or 6 inch diameter "slab" of porous stone. An inlet nodule is located on the inside of the ring to allow the air stone to be connected to an air pump via a length of air line. When connected to an air