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concrete caves


Gill

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Hi there,

just make sure you leave it for about 14 days to cure 100% and then put it into a bucket of water that you change often until it wont push the pH anymore. Otherwise the same will happen in your tank and a pH of 8 or 9 isn't really pleasant for most fish...

Cheers,

JaSa

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  • 2 weeks later...

I have flagged making them ,i don't like the look or the idea of using poly and cement,so went to Stone and Water world got some nice alpine rocks/slabs...in the process of using some aquarium safe sealant to secure before adding to tank..

Gill

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