Cultilene 12'' Wide Slab (8 slabs per case) spl_allstate The ONA Carbon-Air unit is

The ONA Carbon-Air unit is to be used exclusively with ONA Gel

unlike other hazardous pH lowering agents

vitamins and minerals which help your plants thrive

along with high-altitude versions in all sizes

You can daisy-chain up to 4 of these units to the MTMDU unit to maximize your seed starting area

Cultilene 12'' Wide Slab (8 slabs per case) spl_allstate The ONA Carbon-Air unit isX fibre slabs are unique for their optimum water distribution and excellent EC control, not only within one slab but also between slabs. This creates a root environment with outstanding control and with far better and much more even growth and root distribution. Slabs are 36", long and are available in several different widths. Sold by the pack. Pack quantity is 8 pieces.