urethane foam safe?

[ttan]

I bought some urethane foam for my filter from walmart. Is this stuff safe to be used in my filter? It is hypo allergenic, so I think it ought to be

 

[TKOS]

I would take it back and get polyester foam. The polyurethane will break down very quickly and release toxins, esp in an underwater setting.

 

[ttan]

**** thats disapointing, but thanks for the info. I'm going to have to keep my eye out for polyester foam now.

 

[Kasakato]

Or you can go to: www.bigalsonline.com and order some. They have two different sizes for great prices.