411

Need some advice, this tank is a 20 gal WB cube mixed reef(to include acros), high demand and heavily stocked. Livestock include mandarin, Molly, fire shrimp, rainbow nem, and small cleanup crew. Using RS pro my parameters are: Alk: 8.5 (raising it to low-mid 9s) Ca: 460 Mg:1500 No3: 8 Po4: .04...