Boyd Enterprises Chemi-Pure Blue Filtration Media for Aquarium, 11-Ounce (2 Pack) Mosquito Barrier 5C and 3C change from

5C and 3C change from small to large

short circuit and overloading

creosote buster reduces creosote buildup and the chance of a home heating fire

Its the purest form of magnesium chloride mined from 1600 meters below the surface from the ancient Zechstein Seabed in the Netherlands

31AH65KH500

Boyd Enterprises Chemi-Pure Blue Filtration Media for Aquarium, 11-Ounce (2 Pack) Mosquito Barrier 5C and 3C change fromBrand: Chemi Pure Blue Features: Keeps pH stable and constant Reduces fish loss due to pH changes or polluted water Keeps aquariums crystal clear. Provides positive neurological reactions in fish, mimicking a natural environment Removes dissolved organics. Filters out coppers, metals, odors and phenol. Binding: Misc. model number: CPBLU11 Part Number: 16752 8 Details: Chemi pure Blue is specially created for fantastic results in reef and marine