troublewolf54
New member
Scrub them very good, do not use any cleaner of any kind. get some vinegar and drop a few drops on it. if it bubbles up, do not put these rocks in your tank. Unless they look porous, then they should be safe too use.
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my son found some big rocks in the by and insists that they be put in the fish tank...?
- Thread starter troublewolf54
- Start date
my son found these big rocks in our back yard and insists they be placed in our 20 gallon tank. i told him that we could go to the fish store and buy some fish store rocks instead, but my son insists we put the rocks from the back yard.
is there anything wrong with 'normal' rocks, other than the fact that its dirty (cause i can wash them)? btw, their just normal, flat surfaced rocks.
is there anything wrong with 'normal' rocks, other than the fact that its dirty (cause i can wash them)? btw, their just normal, flat surfaced rocks.
All you need to do is make sure nothing harmful introduced through them.
Take care of this by placing them in a large pot of water and boiling them for about five minutes. Make sure they are cool before you use them and you're all set.
Those rocks are inert and will cause no harm to the fish. I've kept many rock dwelling fish in the tank and have never wasted my money on them at the fish store.
The vinegar test shows that the rock has calcium carbonate in it, which will affect the water parameters, raising the ph and kh. Truth is, many fish wouldn't be bothered by this (for some it's beneficial), but for soft water tropicals it means you want to avoid it.
Take care of this by placing them in a large pot of water and boiling them for about five minutes. Make sure they are cool before you use them and you're all set.
Those rocks are inert and will cause no harm to the fish. I've kept many rock dwelling fish in the tank and have never wasted my money on them at the fish store.
The vinegar test shows that the rock has calcium carbonate in it, which will affect the water parameters, raising the ph and kh. Truth is, many fish wouldn't be bothered by this (for some it's beneficial), but for soft water tropicals it means you want to avoid it.