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I have one 4 inch rectangle trigger, a one inch clown trigger, 2 yellow tail and one domino damsel, one fire hawk, one royal gramma a silver dollar size yellow tang and a 2 inch wrasse and a 3 stripe damsel. Tank is 9 months running. I have a 30 gal. sump for my old style wet/dry, with 700 gph...

So, my ammonia is 0, nitrites 0, PH 8-8.2 and nitrates 80. Even after a 45 gal water change the nitrates remain high. I have about an inch of crushed coral on the bottom and a rock formation end to end with the faux plants. The rock is some tufa and other heavier rocks. How much water should I...

Thanks to both. Is this condition harmful to the fish! I have an old style wet/dry using a 30 gal long as the for the sump. I do 30-45 gal water changes every 3-4 weeks. What schedule do you recommend for changes?

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My 75 gal tank is doing well. The issue is the red ?? covering everything that gets direct fluorescent light. It's been up since oct of last year and has cycled brown to green to red over that time. What is this, algae, bacteria or ??. The fish are healthy, is this a problem, how can I eradicate...

One thing I just learned. Even with very healthy fish, you can put cuc in a tank with 40ppm nitrate. Hermits, shrimp and snails all dead in 24 hrs.

Sorry folks, fish only. I'm going to add a cuc, but corals,stars and anemones are not our cup o tea. My best gal likes triggers and we have 4 damsel from hell. Very aggressive/active tank. I'm gonna get the skimmer just as an aid to water quality. Thanks all.

Is there a range, will it function in 4 inches? I have an open area in the w/d sump. Just need to know how much additional media need be submerged in my set up. Thanks

How deep does the water need to be that the skimmer sits in?

Tex, your a wealth of information, thanks. Would you recommend a skimmer and what size/mix cuc. I get my equipt from either That Fish Place or Dr Foster and Smith.

Will get a protein skimmer. Am stuck with w/d for time being. My concern with cleaners is 1. They can and do eat fish at night. 2. You can not medicate tank, if necessary, without killing them off. When you go into reef shops you never see invertebrates in their fish stock tanks. I'm willing...

So no more than 3 times a week? Fish will flourish with this rationing? Will the trigger turn on less dominate fish. Thanks

75 gal tank 20 gal w/d sump @ 3 canister filters 100 lbs of crushed coral substrate in system. Ph 7.8 Ammonia 0 Nitrite 0 Nitrate 40+ 4 damsels 1 yellow tang 1 triangle trigger 1 flame hawk 1 royal gramma 1 wrasse Fish all healthy, set up 6 months ago .

I have a 75 gal with 9 fish that appears to be doing well, fish are healthy. My nitrates are always over 40. I change 50% every 3 weeks. Doesn't matter whether I spend an hour feeding fish a little at a time or just a single dump. Have lush algae growth that yellow tang loves and keeps under...