Hello all how's everyone doing? I recently acquired a 125 gallon tank and at the moment I have it full of SA cichlids in it. I have about 100 pounds of big lava rock in the tank for rock work and was wondering of I needed to take the rocks out and clean them off during water changes. After about two weeks I moved a couple rocks around an a lot of debris came off the ones I moved so I'm just curious if I need to wash them off or not. Thanks for your time and help
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