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#1
11-16-2016, 03:19 PM
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How to identify food grade plastics. HPDE (#2 recycling symbol) is considered safest, but others are 'acceptable'. PETE (1), LDPE (4), PP (5).
http://www.wikihow.com/Identify-Food-Grade-Buckets I just checked the bottom of an IO salt mix container & it is PP #5. No idea what my rubbermaid is 'cause it's half full of DI water, so unable to check the bottom.
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build  http://www.canreef.com/vbulletin/showthread.php?t=82206
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#3
11-18-2016, 03:09 PM
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Hybrid Mode
