Reusing Sand? Question

Discussion in 'Freshwater Substrates - Gravel, Sand' started by Rattler11, Jun 24, 2018.

  1. Rattler11New MemberMember

    Hi all!

    So I have a couple questions about sand substrate. Before I knew anything about anything with fish, I bought RepTerra sand from Walmart cause I thought sand was sand, and used it in a brackish water fiddler crab tank.

    Now that I know a little, I'm curious as to whether this is ok or not to use? I want to change to a freshwater tank now and was planning on washing it out, but I just don't know if this stuff is even acceptable for aquarium use. Not to mention because it was brackish, will washing it be enough to make sure the salt is gone for the freshwater fish? Am I better off just buying new sand out right?

    I put a picture of the type of sand it is, and thanks for any help!

    Attached Files:

  2. MazeusWell Known MemberMember

    That particular sand will raise your PH because of the calcium carbonate. That may or may not be an issue for you.

    I'd personally get new sand without CC in it for freshwater.
    Last edited: Jun 25, 2018
  3. finnipper59Well Known MemberMember

    Your water hardness will definitely climb too high with calcium carbonate. Play sand would be inert if you don't mind very fine substrate. You'll have to rince it alot before using it. It is very dusty when new.
  4. Rattler11New MemberMember

    Wow I didn't realize the hardness was effected, but that makes allot of sense. I was doing allot of cleaning with the fiddler tank, and it always seemed like I was getting hard water stains way faster and I guess I just didn't put 2 an 2 together. Thanks everyone, got rid of the old sand. Did extra searching, and ended up going with blasting sand by black diamond. Really cheap, way more than I needed, doesn't effect pH, took very little cleaning to get it useable and looks amazing.

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