The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Welcome to AquariumAdvice.com!!!
Overstocking and overfeeding are two common causes of high nitrates. You may be pushing the biological filtering capabilities of the tank right now. Adding another 15-20lbs of LR would certainly help. Cut back on feedings. Feed one light feeding every other day. What is your substrate, LR or CC?