Botanicare OD Black Tray - 3' x 6' Magnesium Sulfate The 67 g covers a

The 67 g covers a pound and the 8 g a single ounce

flood-and-drain

the Cultivator Series - Base integrates effortlessly into any existing three-part fertilizer regimen

and EDTA Zinc

so you dial the airflow and noise to the room

Botanicare OD Black Tray - 3' x 6' Magnesium Sulfate The 67 g covers aFor these compact spots that require precisely measured components Botanicare has developed new Outside Dimension Trays. These trays sit in the precise footprint that their name suggests and fit easily into all growing tents on the market. The Botanicare OD trays, available only in black ABS plastic, are formed with an easy to clean diagonal drainage grid to direct water towards drainage fittings. Superior rigidity over other OD trays on the market,