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| Non-toxic and inert materials? http://byap.backyardmagazines.com/forum/viewtopic.php?f=11&t=28660 |
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| Author: | mef1975 [ May 24th, '17, 05:36 ] |
| Post subject: | Non-toxic and inert materials? |
Speaking of useful information, what about a list of materials, glues, and stuff, that's food safe and will not alter pH? For instance, is there a certain tile grout I could use in an aquaponic system that wont leach toxins or alter pH? and how about sealing it with this?... http://www.greenbuildingsupply.com/All- ... er-1-Quart |
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