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Hi, quick ? My rodi water has high nitrates(40-same as the tap) I am going to replace the prefilters and it is close to time to replace the di so I'll do that too. Will this work for the nitrates or do I need to replace the membrane too? I just ask because if so I need to order the membrane but...

I have a Current brand t-5 fixture and I was wondering your experience on the bulb life. Current says this-"The average life of T-5 tubes is 2 years, with the blue/actinic spectrum lamps lasting up to 18 months" in their bulb description here...

Hello everyone. I have a question about feeding my fw fish. I feed small portions 3x daily with a variety of flake food and around 2-3x per week with vitamin soaked frozen food. With the flake food I alternate cans each feeding. I understand that using more than 1 kind of food is nutritionally...

Has anyone ever seen this happen before? I don’t know if this is a disease or a problem but I don’t think it is what a Xenia is supposed to do. It is splitting all the way up the base and this green stuff that looks like grass is coming out of it. The green stuff is now almost 1 inch long. When...

I read that a “balanced” Ca/Alk for a Ca of 400 would be an Alk of 1.96 meq/l. My Alk is 4.5 meq/l is there any way to lower Alk? tia

I have a very smart Regal Tang that I need to catch and remove from my reef tank. After a couple unsuccessful tries at catching him now the minute the net hits the water he hits the rocks. I need suggestions on what to do. I really can’t move the rocks because of the corals. Suggestions/advice...

I have a Regal Tang with what appears to be eye clout. The problem is I need to catch him and put him in my qt tank to treat it and I cannot catch it. After a couple unsuccessful tries at catching him now the minute the net hits the water he hits the rocks. I need suggestions on what to do. I...

Can anyone help me identify this macro algae? The best I can tell is that it might be Caulerpa Sp thanks

does anyone know if I am supposed to feed a torch coral? I realize the light is feeding it daily but I read about feeding it pieces of krill. Can someone tell me how/or if to do this? thanks

What do you all think of the stock list/bio-load for my 75gal tank? I have well over 80lb of lr and 100lb of ls. I have: Regal Tang Ocellaris Clownfish Blue Chromis I would like to add: Orchid Dottyback (Pseudochromis fridmani) Mandarin Goby I was planning on waiting a couple more months on the...

What you guys think about a Six Line Wrasse. I think they are pretty interesting, just wanting some opinions. thanks

Do you guys think a hang on fuge(Medium AquaFuge2 Water Capacity: 3.60 Gallons )would make enough of a difference to make it worthwhile? I realize that anything is better than nothing but I just wanted some opinions about it and also some advice on the best stuff to put in one. TIA Mike

Does anyone know where to buy the Maxi-Jet mod that is already made? TIA

I am adding calcium to my tank daily to keep it at 350(I’d like to be higher). Every day I also add a little over a gal. of top off water. I don’t want to use kalawasser but could I just put some other kind of liquid calcium in the top off water? The calcium(2 part) I’m using is C-Balance and my...

I was wanting to get a uv sterilizer and my lfs guy is telling me to put it inline with the output of my canister- wouldn’t the flow(340gph) be way too fast? If so what other way could I hook it up? tia

I recently switched my substrate to sand. I’ve heard of poisonous gasses that build up in the sand and today I sort of stirred up the sand a little and there was some bubbles that came to the surface. Could someone please explain to me if that was the gas I’ve heard of, how often to stir it up...

I have Malawi Cichlids and one (Yellow Lab) is totally anal about moving the gravel around- he clears the bottom and stacks it up against the front. Would they prefer sand or gravel?

I am upgrading to a 55gal and I have been seeding an Emperor 400 on the front of my 20gal for a week and plan to leave it for another week. I am moving my African Cichlids to the larger tank and what I am asking about is: will this be enough bacteria to combat a cycle? TIA Mike

I am new to the fishless cycle I have read about on here. Can I use a piece of shrimp in a freshwater tank or just saltwater? tia

Do any of you guys add anything to your RODI water for top off water? Like OSMO Prep Marine from Kent. I understand that the salt mix has everything I need for the sw but I am asking about the top off water. Also does anyone have experience with this RO unit- Coralife PURE-FLO II 100/GPD R.O...

I have no sump and I want to make a fuge out of a 10gal tank. I want to put it beside the main tank and I can make it higher than the main tank. What I want to know is- is there a way I can hook up a small power head to feed it and then make it siphon back into the tank? I know this question...

I am hoping to have some corals in a month or 2, my tank has been up for 14wks, and was wanting to see if I could get some suggestions on beginner corals and suggestions on reading for the coral beginner. TIA Mike

Are there any corals that aren’t sensitive enough to require RO water? I don’t know much about plumbing a RO unit. My problem is that my tank isn’t anywhere near a water source. I have a tub under my tank with aged sw. when I do a pwc (weekly) I vac the waste straight in another tub right in...

I've read how lots of people say there is nothing else to check salinity with. Are they hard to use? I understand you put a couple drops of water on it then look through but what are you comparing it to? Do they need calibrated often and is that hard? Thanks, Mike

Well without knowing any better I got a canister filter- and now I haven’t really heard anything good about them. :( I have the foam and 4 compartments. 2 with carbon, 1 with the bio max rings, and one empty in case I need to use it for something. I do my pwc every single weekend and rinse the...