shadowfax Posted February 7, 2008 Report Share Posted February 7, 2008 has anyone heard about testing rocks with vinegar to see if they can be used in fish tanks? Quote Link to comment Share on other sites More sharing options...
VinsonMassif Posted February 7, 2008 Report Share Posted February 7, 2008 I think that if you pour vinegar on a rock and the acetic acid makes the rock fizz, the rock has calcium carbonate in it and will buffer your water. Quote Link to comment Share on other sites More sharing options...
Ianab Posted February 7, 2008 Report Share Posted February 7, 2008 Vinson is right. If you pour a few drop of vinegar onto Limestone it will bubble and fizz a bit as the acid reacts with the calcium carbonate. If thats the case it will also react with acid tank water and raise the pH and hardness. Thats fine if you have African Chiclids, but if you are trying to keep low pH and soft water it's a bad thing Ian Quote Link to comment Share on other sites More sharing options...
shadowfax Posted February 8, 2008 Author Report Share Posted February 8, 2008 thanks very much! another rock for the garden then! Quote Link to comment Share on other sites More sharing options...
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