Getting Started With Aquaponics- Part 2, by F.B.
Plant Rafts with Sprouting Blocks I utilize six plant rafts, each 4’X6’, for a total of 144 square feet of growing area. Each tank has room for three 2’x4’ polystyrene 1” thick rafts. Each raft has 27 one-inch holes made to accept rock wool sprouting blocks. These are commercially available on Amazon or most hydroponic source stores online. Each block will hold several sprouted plants (if you want to grow multiples on the block) or a single sprout if you prefer. Larger plants, like cabbage, take more room between plants than vertical growers, like tomatoes. Fully planted with (for a …