Help

Jorge1717

New member
I saw that my fish tank got this withing a 4 day period, can this be my lighting is on for to many hours which is 9hours a day or that the bulbs are to powerful? I have a 14gallon bio cube with stock lights, please help lmk asap.
 

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how old is tank. if just set up, its quite normal. if old, are you using RO water or tap water for topoff.
 
So normal. its diatom stage of the cycle. Dont worry about it. Dont use distilled, not filtered enough for aquarium. Buy RO from LFS or but a system.
 
Nope. Better than tap but still can contain minerals that are harmful to the aquarium. RO is the best.

dont change lighting schedule. The diatom algae will eat itself out of the tank. Will pass in a week or two.
 
Okay I won't, so how I have it set up is the night light turns on an hour before the regular daylight lifting and an hour after is that cool?
 
Actinic lights should be on all day. hour before and after white lights to simulate sunrise and sunset if you want.
 
Yes exactly, btw where can I find a store in the Miami lakes area where I can buy RO, any fish store should have correct?
 
Worst case scenario, the 5g water dispensers at publix are ro, the trick is finding one that gets regular maintenance
 
I dealt with crap for the first 6 months of my biocube, mainly diatoms at first and cyano later. My current tank also took about 6 months.

My bc14 early on...
 
You can buy Purified water at your grocery store... Its usually purified through reverse osmosis... it will say it on the label... if you're serious about the hobby invest in an RODI, they're relatively inexpensive compared to the first one I bought over 15 years ago...
 
I think it's just part of the normal cycle of the tank, the tank is only 2 weeks old. Expect this and worse for the next 2 months until the tank matures.

Also, I don't know why people have issues with distilled. It's not ideal, but I still haven't seen anyone actually have issues with it. I believe it tests close to or at 0 TDS, and I've never seen anyone get copper from it, and it was what I topped up my new cube with for the first few months of having the tank. There is merit in the discussion, but the fact is nobody has ever poisoned their tank and posted about it on ReefCentral to my knowledge. Here is an example of an old thread where this was discussed by people who know much more than you, I, or anyone else in this thread about the process, and their results and recommendations.

Distilled: use at your own risk, but nobody has poisoned their tank with it or detected TDS or copper from it. I've used it without issue and it makes sense if you don't have easy access to RO/DI water. Probably cleaner than the machines at the supermarket, because as mentioned earlier, those may or may not ever have their filters changed out. I've also heard of those only having carbon filtration on them as well, not full RO units. So it's largely all YMMV (your mileage may vary) unless you are making the water at home yourself with your own unit that you are maintaining and testing.
 
Agreed. Dont think distilled is as bad as many people think. I used to use straight tap water to top off at the beginning when it was fish only. Dont have any problems keep corals now from any copper that made it in then. I actually think the cleaner people try to keep their water the more likely when something is a tad bit off causes a livestock to crash faster.
 
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