Adding HOB filter to fix cloudiness?? Opinions

ggrowney

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Apr 8, 2006
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I have been having extreme white cloudiness in my 12 g nano cube. It is fully cycled but there is about 5 inches of visibility for the past 4 weeks. I have bought an extra HOB filter today and am running it. Am I crazy? Will this help the bacteria bloom or whatever it is? Nothing else seems to work. I have thus far taken pro advice and not used any chemicals. Kind of frustrated because the tank looks so heinous. It is heavily planted with 4w/g of light, but algae is more or less under control at this point.
 
I had this problem for a while, and I cleared it up by removing my bubble wand - are you using one?
 
I had a similar problem in my tank. The extra filtration can usually never hurt. However it might not help any at all. You need to find out it the cloudy water is caused by bacteria, or algea. When you do a water change do it in a white bucket. If there is a green tinge then it is algea.

My cloudy water was caused by algea as well. I put in a bunch of live plants, and within a week the cloudy water was gone. Good luck, I hope this help.

ps. The live plants out compete the algea for nutrients. Effectively starving the algea out of your tank.
 
Also, a nanocube is fairly wee. There's a good chance you may be overfeeding.


Air, or overfeeding, something is out of balance in the tank and feeding the wrong bacteria.
 
I could be overfeeding but I am only putting in 2 pellets every other day for my 2 corys. I have had live plants in there for over 3 weeks and it has only gotten worse. I have put more plants in and it got noticably cloudier. Wondering if they are somehow the culprit. Never been able determine whether white or green because anytime water comes out it comes with plant matter. I think it is a mix of bacteria and algae.

I think I am going to buy a UV sterilizer. Seems like the only solution.
 
UV still might not do it. Plants are rarely the problem, from what I've experienced and read, but you can always be proven wrong. Did you mention if you use an airstone or bubble wand?

Another trick is to put a piece of white paper against the side, and look through onto it. If the paper appears white, it's bacteria, green, algae.

Try to solve the overabundance issue though. Good water grows, it can't be made.
 
It's white. Green only comes from looking into tank with plants as background. Still running the HOB (out of the front cause the nano cube sucks for any add-on things). We'll see. I am basically putting the fish and plants on a diet for a while. No bubble wand. Filter is only aeration for nano cube.
 
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Hmmm... I hate white cloudy. It may recede in time naturally with good maintenance.

Good luck.
 
Sounds like you might just have to suffer through it for a while. If you've got the water parameters correct it likely will clear itself up in a little bit.

How many Cories? If it's just a couple I'd only drop in one shrimp pellet as those things are fairly large and will feed three just fine for a day. Maybe that's where you could be overfeeding.
 
2 corys and three neon tetras. Overfeeding seems like most likely culprit (feels like I haven't been, but only logical answer). Other might be randoms plant matter. I am surprised at how you can't dilute the cloudiness with new water, either.
 
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