How can I make 2 pound polyurethane urethane foam?

Spa Chemicals Concerns


Question by badaspunkbtch: How can I make 2 pound polyurethane urethane foam?
I just bought a hot tub/spa. It does not have a cover and I don't have $ 150-380 to shell out for one. That is far more than I paid for the spa!

more cheap spa chemicals