hnf2k
Active Member
i added a cup of sand like you said, a week or so ago. and today i went to test my water and nitrite - 0 ammonia - 0 ph - 8.2 nitrate - 30. are you sure that adding 1 cup of sand from a relatively new tank would cycle it? my sand is 250 pounds of southdown and 40 pounds of arag-alive.