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Is this perlite safe to use?

Posted: Mon Mar 20, 2017 3:30 pm
by Nandi
No mention about any additives on the back side. Anyone know this brand?

Re: Is this perlite safe to use?

Posted: Mon Mar 20, 2017 9:29 pm
by nimbulan
If it doesn't mention additives, it's probably safe. If you have a TDS meter you can test it to be sure.