I have had my 46 gallon for about 2 years. Never had a ick problem before. All levels are good and I am feeding flake, home made shrimp meal with garlic, brine and blood worm on occasion. LR 50 pounds, LS 40 pounds 2 percula clowns, 2 pajama cardnials, 1 blue tang, 1 flame angel. Snails and blue...