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There isn't any reason you can't run both GFO and carbon. The compliment each other nicely.
ESV Granular Activated Carbon is derived from bituminous coal. With a variety of pore sizes, particle sizes as well as high surface area. Low ash and hardness make for less dust.
Carbon is good By Rocco on 12/11/2016Rocco would recommend this product to a friendUsed many yrs. like the size as it tumbles nice
Just as good!! By Tbone on 10/26/2015Tbone would recommend this product to a friendNeeded some carbon, been using the BRS.08 carbon, l wasn't sure of the exact size of this stuff, well it is small and looks like tumbled stones, half the price of .08 and works just as good, more for less!!
Great! By Brad on 9/5/2012Brad would recommend this product to a friendThis product is as good or better as the major brands and using it in large tank applications saves me a lot of money.
Great product, low dust By Chris C on 8/10/2012Chris C would recommend this product to a friendGreat product. Granuals have low dust and last longer than any other granular carbon I have ever used. Works great in BRS media reactor.