Needed some bags with TINY holes to keep Seachem Purigen and PhosGuard in. Found these jewlery bags in a local hobby store and together with some bag clips from IKEA it's a
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Amazon.com : Pet Faves Seachem Purigen Organic Ultimate Filtration Resin 100ml (3 Pack) - Aquarium Fish Tank Filter Media for Freshwater & Saltwater with 10ct pet wipes : Pet Supplies
SEACHEM PURIGEN 100ML IN MESH BAG 781163193616 | eBay
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Amazon.com : Pet Faves Seachem Purigen Organic Filtration Resin 100ml (6 Pack) - Aquarium Fish Tank Filter Media for Freshwater & Saltwater with Bonus Water Test Strips : Pet Supplies