7.7-lbs Seachem Flourite Red Natural Substrate $7.90 + Free Shipping w/ Prime or on orders $25+ Amazon has *7.7-lbs Seachem Flourite Red Natural Substrate* on sale for *$7.92*. *Shipping is free* w/ Prime or on $25+. Thanks to Deal Hunter *TheCheetosMan* for posting this deal. *About…