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Discussion Starter · #1 ·
This tank has been setup around a year and the plant growth has been really amazing. The light is on 12 hours which may be part of the issue. It is a little light on stem plants but it does have emergent plants and floaters. There are ~25 fish, 100+ neocaridina and a ton of snails. While each tank is different, i run this tank exactly the same as my other tanks and this is only one with cloudy problem. I have read all the articles and am a bit stumped.

Recently i tried reduced feeding and water changes which eventually cleared it up to some degree which I then resumed my twice daily feeding and no water changes. I assume the feeding is leading to bacterial bloom. The only real difference with this tank is the number of shrimp.

Any insights? Should i just reduce feeding? There should be plenty of shrimp/snails to clean up any leftovers…

these pics are after 10% water changes yesterday and today. I dose with flourish a couple times a month mainly for the floaters.
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Discussion Starter · #6 ·
Is it bacteria or just free-floating algae? The snapshots give it a greenish tinge which is exactly what I have in my filter-less breeder tank. I assume it would all but disappear with some type of "water polishing" system, but for right now, I'm fine with it:
View attachment 75888
Hadnt really considered that, the light it definitely on long enough… no indication that it is green upon inspection after water changes unless its very subtle. Ill have to do an independent check. is it possible to be just a little green and never go all the way? I have noticed varying levels of cloudiness.

also i added huge amounts of daphnia over the summer but i dont think my fish left a single survivor Lol.
 

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Thank you, it is not me the crypts are doing the heavy lifting. :)

No, are they similar to cuddlefish bone what do they do? I just did a search and at first glance I will say my water is very hard and contains no chlorine.
Wonder shells are nothing like cuddlefish bone. It’s a proprietary water clarifier and micro nutrient booster. The cloudiness could be excess food OR the type of food you are using. When I feed my tanks cucumber they get cloudy until the snails and ostrocods eat it all. Use wonder shells in 1/3 recommended dose. They supposedly clear water cloudiness. They work for me.
If you have a floating algae problem, ostrocods help my water with that. Adding more daphnia could help too.
 

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Nice tank. I wouldn't do anything drastic like reducing the photoperiod below 12 hours.
Have you tried a midday siesta? Three to four hours off during the midday would you help control algae without diminishing the required 12 hour photoperiod.
I would not add Flourish unless you actually see iron deficiency in the floaters and/or they start to disintegrate. I suspect your tank has plenty of nutrients, as evidenced by the cloudiness.
 

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My first thoughts on the cloudy water is to use a UV clarifier. Hadn't seen that mentioned earlier. Is that a reasonable approach?
Yes! And thank you for the prompt.
This is one 'gadget' that I like. It will clear green water, bacteria cloudiness, and protect newly purchased fish from disease. Compared to black-outs, reduced lighting, and chemical treatments, it has no down-side other than possibly removing iron from the water.
In this tank situation, it would certainly be a viable option.
 
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