Can't get my water clear! - The Planted Tank Forum
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post #1 of 19 (permalink) Old 03-07-2007, 12:06 AM Thread Starter
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Can't get my water clear!

Well, I had green water for about 2 weeks until I decided to do 2 50% water changes last thursday, then saturday. Ever since saturday, it has still been cloudy except it now has a very very light tint of green. Any ideas and how I can finally make my tank clear?

Smalltank

75 Gallon Tank - not yet set up
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post #2 of 19 (permalink) Old 03-07-2007, 12:08 AM
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http://www.aquariumproducts.com.au/category51_1.htm
A UV sterilizer should fix that
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post #3 of 19 (permalink) Old 03-07-2007, 01:39 AM
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A diatom filter will also work, and not leave dead algae in the tank.
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post #4 of 19 (permalink) Old 03-07-2007, 01:56 AM
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My vote is for UV. Works wonders.
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post #5 of 19 (permalink) Old 03-07-2007, 01:57 AM
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UV ricks...wouldn't do another tank without one.
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post #6 of 19 (permalink) Old 03-07-2007, 02:09 AM
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UV absolutely

I wouldn't do a tank without one either. But you can get them a lot cheaper then that link that was provided. Try Ebay, just type in UV Sterilizer and they will come up. Shop around, prices vary quite a bit.
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post #7 of 19 (permalink) Old 03-07-2007, 02:25 AM
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won't the proposed fix (Diatom filter and UV) be an overkill for such small tank ?

Are you using ADA Aquasoil ? Do you dose ferts, what kind of filtration (matured or not) and what light / duration ?

Regular water change is what i do for my nano tank. I do have the benefit of using water (well cycled and full of good bacteria) from my larger tank.

Just my little comment
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post #8 of 19 (permalink) Old 03-07-2007, 03:53 AM
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I had an extreme case of green water in my 125g. It took three days for my UV to clear it. My tank is now pristine.
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post #9 of 19 (permalink) Old 03-07-2007, 04:53 AM
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Quote:
Originally Posted by Youjin View Post
won't the proposed fix (Diatom filter and UV) be an overkill for such small tank ?

Are you using ADA Aquasoil ? Do you dose ferts, what kind of filtration (matured or not) and what light / duration ?

Regular water change is what i do for my nano tank. I do have the benefit of using water (well cycled and full of good bacteria) from my larger tank.

Just my little comment
I had to get a diatom filter for my 10 gallon tank that had no canister filter. Without a canister, I didn't want to have to mess around with plumbing it with a pump to fit a UV filter. Water cleared up in 35 minutes after I got it working right.
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post #10 of 19 (permalink) Old 03-07-2007, 06:31 AM
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I'm still thinking of buying a Vortex Freedom Filter. It is on sale now @ http://www.diatomfilters.com/ for $82.00. It is smaller and more portable than the others and I like that a lot...they work really well at eliminating all kinds of problems including algae, ich, etc...I've use my friends and after 1 hour, BAM! Perfect, crystal clear water...


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post #11 of 19 (permalink) Old 03-07-2007, 05:42 PM
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I agree! get a UV. I got a turbotwist. It cleared up my green water in a day and a half. Just make sure you do SEVERAL watrer changes to get rig of all the dead algae. Blackouts work too. i've done 3.5 day TOTAL blackouts to get algae under control before i had my UV. not GREAT for the plants, but all mine were able to tolorate it. I have 2 ehiems on my 55 gallon. The small eheim classic runs almost all checmical filtration. the larger eheim is all biological. I have the UV on the smaller filter so it has a lower flow rate.

Last edited by kkentert; 03-07-2007 at 05:44 PM. Reason: Additional Info
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post #12 of 19 (permalink) Old 03-07-2007, 05:52 PM
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For the ones who use UV, do you keep them on 24/7? I heard that it affects iron levels in the water.
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post #13 of 19 (permalink) Old 03-08-2007, 02:18 PM
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I had really bad green water in my 40gal. I did a 50% water change, covered it so to not let any kind of light in for 3 days. I uncovered it and did another 50% water change and that seemed to get rid of it nicely.
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post #14 of 19 (permalink) Old 03-08-2007, 06:20 PM
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I have used both (UV and diatom) for green water and the UV is a whole lot better for green water.


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post #15 of 19 (permalink) Old 03-08-2007, 06:50 PM
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If you have a small tank and think UV or diatom may be financial overkill or perhaps just too much equipment for the tank size, drop a 100ml bag or two of Seachem Purigen into a Hang On Back filter. Talk about clear water!

When buying Purigen, buy at least twice what you'll need. When you need to "clean" or "recharge" the purigen it'll be like an overnight thing soaking in bleach and you'll need a fresh bag to use immediately. You basically swap them rather than taking one out, cleaning it and then placing it back in the tank.

"Insanity: doing [or asking] the same thing over and over again and expecting different results."
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