80lbs. Reef rock from an old aquarium. - $100 (Aurora)
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I’m selling my old reef rock out of my tank, took the tank down. It’s all ocean harvested back in the 1990’s when still legal so it’s all real, not man made. 80lbs total.
It’s been exposed to copper back in December. it’s since been bleached, rinsed repeatedly, soaked in fresh water for weeks and water charges daily. Last test it still showed .13ppm. Safe now for freshwater/saltwater fish?? I believe. Asking $100 OBO