hotdrop Posted February 10, 2019 Share Posted February 10, 2019 Found some at my lfs for 2.50 a lb. super porous and crumbles if pressed. Looks like it has a ton of surface are and is formed of a bunch of tiny cells. Would this be good rock yo bleach and use or should it be avoided? Quote Link to comment
Jim_i Posted February 10, 2019 Share Posted February 10, 2019 If it crumbles when pressed it probably won't hold up to stacking so you might want to go with something else. If you're looking for additional filtration, porous rock, well, rocks! 😁 Quote Link to comment
hotdrop Posted February 10, 2019 Author Share Posted February 10, 2019 1 minute ago, Jim_i said: If it crumbles when pressed it probably won't hold up to stacking so you might want to go with something else. If you're looking for additional filtration, porous rock, well, rocks! 😁 It will take some load but yeah I wouldn’t stack a ton of weight on it. Just currious what it is and what it’s made of and will it leach Quote Link to comment
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