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Safe foam for raft

Posted: Tue Jun 21, 2016 1:13 pm
by reddace
Was thinking about making a hydro raft system and need to know of a safe type of foam I can use for the raft. In other words, one that will not leach chemicals. Thanks for any replies.

Re: Safe foam for raft

Posted: Thu Jun 23, 2016 10:39 am
by Lindsaylew82
"Great Stuff" has a pond and stone foam. It's fish safe polyurethane foam.

Re: Safe foam for raft

Posted: Thu Jun 23, 2016 12:10 pm
by imafan26
Do you mean something like this one?

https://www.globalplasticsheeting.com/le ... hydroponic
I found this article on the different kinds of styrofoam. It says that the XPS foam is the one you want to get and it may be available at your local hardware store.
https://365aquaponics.blogspot.com/2011/ ... lture.html

Re: Safe foam for raft

Posted: Thu Jun 23, 2016 12:18 pm
by reddace
Thank you for your replies. Yes, this is what I'm looking for.