alejandro
Member
hello, I read about san and i think gone switch my cc for sand, i have 55g fowlr for 7 months every thing works great but my nitrates are high, I read almost all the treads about switch cc and still have some questions, like what kind of sand do you recomend and were buy it, do i have to wash or do some special treatment before place the sand on mi tank? what about southdown is relly good for my tank, thank you for your help.