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Author Topic: Sand for Substrate  (Read 2726 times)


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Sand for Substrate
« on: March 28, 2009, 08:43:39 AM »

Sand is identified by it's grain size which typically varies from 1/16" to 1/8" and it being inert (will not be affected by an environment and an example of such an environment is tank water).

Typical examples of Sand are playground sand and sand which is used in the manufacture of concrete although these sands are typically siliceous (mostly silicon).

Sands employed for tank substrate may be of many materials but the most common are:
   1) naturally occurring silicon,
   2) basalt (volcanic rock),
   3) granite,
   4) feldspar, and
   5) manufactured glass.

Playground sand and concrete sand are occasionally employed for substrate.

Other sands are IMHO very aesthetic including but not limited to:
   1) Black Sand
   2) Blue Sand and
   3) Tan Sand
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Sand for Substrate
« Reply #1 on: May 11, 2011, 03:09:31 AM »
Just like the title states, I used pool filter sand as a substrate that I picked up from a local pool place and my pH is about 7.2 right now, has been stable for some time. I was looking to possibly raise the pH a bit, would crushed coral in mesh bags in my filters get me up to 8.0? I have a AC70 and AC50, the tank is a 46g.
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Re: Sand for Substrate
« Reply #2 on: July 16, 2011, 11:21:27 AM »
The crushed coral will certainly help. You should be able to reach 8.0 with that. Don't use chemicals to do it, there are always natural ways to make it happen.
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