Hello every one i need to ask befor i start can i out limestone in my tank and its safe for the fish as i have about 35kg of limestone and thinking of putting it in my tank i was going to build some think to go in there outbof fiberglass but not to sure how to cure it and make it safe so this is the next best thing meny thanks russell
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Sent from my SM-G900F using Aquarium Advice mobile app