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Stones


Aquarium Dude

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You can't link to pics on your PC, they must be online.

They look OK to me but best test them. Get some water, test the pH then let it sit 24 hours and test again. Then repeat after adding rock to the water. If pH stays the same they will be fine.

Pouring a little vinegar over them will see if they are suitable too. If the vinegar fizzes on the rocks, don't use them.

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