Originally Posted by fishfreek
If you want to test of this sand is silica based or argonite based get 1 bag and take it home. Put a little sand in a bowl and pour a little vinegar into the sand thats in the bowl. If the sand starts to have a chemical reaction and bubble up then its argonite based. If the sand just sits there and just looks wet then its silica based.
Oh and silica and silicates are totally different. Silica sand will not case a diatom problem nor will it leach silicates.
So what is the preferred sand ?
Argonite or Silica ?
what are the differences.
Pros Cons etc.