It can also be used stacked upon one another to build an aquascape. We also put the lava rock in a stream of water, being pumped through our aquariums, so the lava rocks already are populated by denitrifying bacteria, which means they'll begin to work in at most 48-hours, after being put in another aquarium. This listing is for black lava rock. A disclaimer here. Freshwater aquarium sand can be pH neutral, while specialty blends are made for fish like African Cichlids that prefer hard water with a higher mineral content. Due to the nature of naural lava rocks, they … Aquarium stones add accent and interest. Black Lava Rock is a classic aquascaping stone that's often used in all types of aquarium setups such as planted tanks, freshwater, and brackish. aquarium lava rock for aquascaping. Lava rock won't raise your pH, it is fairly stable stuff. Use lava rocks to give small fish places to hide or just to give yur aquarium some atmoshpere. Black Lava Rock Natural Aquarium Substrate (Buy 2 Get 1 Free) VentureAquatics. I used black lava rocks I picked up from a local landscape supply company for $0.17 per pound. Another common use of lava rocks in aquariums is as a substrate, and YES, its perfectly ok, so no need to worry. Lava rocks substrate would be great for beneficial bacteria, but the rocks are better suited for use as biological filter material inside your aquarium filter or as part of your hardscape. In Black Lava Rock is a classic aquascaping stone thats often used in all types of aquarium setups such as planted tanks, freshwater, and brackish. If you are loking for a rock with holes in it, lava rocks for the bottom of the tank, or white sand, Firerocks.biz has your rock. I've read account where painted coral was sold as lava rock, that might be something to look into if you are sure it is the rock, but real lava rock … Lava rock is very different to other rocks we sell. Add life to your overall setup by bringing back nature to your tank’s occupants. From shop VentureAquatics. I've never seen anyone else use this method of either colored grout or black lava rock reef. Lava rock is popular in planted aquariums due to it's rough texture - ideal for planting mosses on. Because of its highly porous nature, easy aquatic plants like moss, Anubias, Ferns, and Bucephalandra will readily attach themselves to these rocks. Because of its highly porous nature, easy aquatic plants like moss, Anubias, Ferns, and Bucephalandra will readily attach themselves to these rocks. I've read a lot of people advising against it … Free Shipping on orders over $50. American Fireglass LAVA-M-10 American Fire Glass Black Lava Rock Transform your tank into a natural lava rock aquarium through these premium stones from American Fireglass. Toggle menu It it much more lightweight, formed by the solidification of magma. Use one large rock or several stones arranged in groups. 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