#ed_op#DIV#ed_cl#after 6 days and two treatments of phos-buster pro,no difference noticed, iam at a lost, tank is in bad shape, need help, i will get som pics i did read about the carbonate hardness must be 3.5 or higher to use the product, is this where iam going wrong....#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#IMG src="http://www.captivereefing.com/album_showpage.php?pic_id=731"#ed_cl##ed_op#/DIV#ed_cl#