60-Cell Planting Block with 60 Bio Sponges

Grow Bigger, Healthier Seedlings the "Bio" Way! This 60-hole seed-starting block and 60 growth-medium plugs are refills for Park's Bio Dome, or may be used with your own trays and covers to start seeds easily and economically! Need a new Bio Planting Block for your Bio Dome Seed Starting system? Here are one 60-cell Bio Planting Block plus 60 Bio Sponges. (They may also be used with your own trays and covers.)The 60-cell Bio Planting Block is a long-lasting polystyrene block with 60 cells for planting (1 seed per cell). The 1 inch wide by 2 1/4 inches deep cells are larger than average, and a spacious 1 3/8 inches apart from center to center, to prevent overcrowding.Bio Sponges are made of a remarkable, sponge-like rooting medium that supports fragile roots so completely that seedlings experience no transplant shock.Park's Bio Dome Seed Starter system gets your seedlings off to the best possible start. To find out more please see, Bio Dome.


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