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What substrate would be good for a mixed reef? I am setting up a new 210gal tank and would like to know what others are using. I think i would like a dsb. Thanks Dan

Would water from the culligan store be ok to start my saltwater tank? And can i use the old sump from a freshwater setup? I know RODI is best but can't afford one right now. I plan on setting up the tank with live sand and pluming with snails and crabs. Then leave it for 30 days before any...

I have a 125 gal glass tank which is going to be saltwater. I plan to make a dual overflow out of pvc pipe. One inch pipe to a 1.25 inch center pipe to the sump. My question is this. Can i use 1 inch pipe for a return to the tank? Or could i use two 3/4 inch pipes for the overflows? And 1 inch...

I have a 125gal freshwater tank i am going to convert to saltwater. I know most of what i need to do. But would like to know if i can use some of the freshwater decor in the saltwater? And i have small gravel in the tank now. Can i move some of the gravel out and place live sand in the open...

I have just purchased a 542 watt halide light sys. I would like to know how far from the water surface i should have the light?? I have a 55g tank live rock,4 small fish, feather dusters, small polyp and anemones. TIA

I have two different SW test kits and i get very different readings on the nitrates. Aqur Pharm INC = 20 Aqur Sys Fast test = 10 What is the best test kit to use that is accurate?

Could someone tell me what kind of anemone this is. The person at the LFS said it is a long tentacle anemone.

I just got my new Coralife pur flo R/O unit today. I hooked it up per the instructions. How much flow should i get out of the blue good water tube? My water pressure here is not very good. But this thing only runs at a fast drip. And the red waste line is a small steady stream. And my water is...

I have this fuzzy red stuff growing on one of my LR,s and a little bit in the subsrate. I know without a pic it will be hard to identify, but could someone maybe try. I will try and get a pic. TIA

Would a Phos reactor be ok for a FOWLR tank? I see they are not very expensive. And my well water really suks where i live. We have loads of minerals and the water is hard also.

I have been using instant ocean salt for making my saltwater, but had a problem with nitrates. So i went to the LFS and got some real ocean water. Is it ok to mix this up like this? I cannot use my tap water just yet as i checked the nitrates and they are at about 40 out of my well. And my DI...

Where is the best place to get a water sample from when using a refractometer? Surface,Middle or Bottom? I just got mine today and the readings i get are off several points from the swing arm type. But i just took a sample from the surface. And i am not sure that is where i should get a sample...

I had a problem with saltwater ick and had to remove all my critters from my main tank. 55g. I am presently treating it with rid ick+. There are no fish in the tank. How long should the tank remain fishless? I want to be positive that i dont put fish back in a bad tank. I am also very new to...