You dont need 1.5 lbs per gallon. Get as much as you like to make a nice looking rock scape. The 1.5-2 lbs per gallon was to help with filtration. With the skimmers and other filters they sell now you can get away with using less rock.
Also the $7.99 rock from RC is just home made rock with coralline algae. I have seen far better natural rock.
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"My second home is a third world cantina" RCPM
Current Tank Info: Not big enough.
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