Thread: GPS Did You See This? Polyurethane Foam For Seeds?
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Old 10-03-2011, 09:55 AM
CrossOps CrossOps is offline
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Join Date: May 2011
Location: North Florida
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Default GPS Did You See This? Polyurethane Foam For Seeds?
Polyurethane Foam for seedlings.

Using polyurethane foam as seed starter - Hydroponics Forum - GardenWeb

At a place I found that carries it 1" thick in sheets, 24" x 72", its very cheap to use this method. Several thousands cubes to start seeds for $18.
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