Yucky Green Water

Shannon Griscom

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So about a month ago my planted tank had a green water explosion the day after a water change. Ive been trying to clear it up ever since. I've cut my lights down to 4 hours and have stopped dosing with phosphorus. Been doing 15-20% water changes every other day. Cant do more than that since my taps Ph is much higher than what's in my tank and I would run the risk of killing my shrimp. Still very green. I currently do not use any carbon. My question is should I start using carbo to clear the water? I'm worried about my plants not getting enough light.
 

aussieJJDude

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Green water sounds like an algae bloom. I would do a week dark out, abd theb by that time see if its clears. Or consider purchasing a UV sterilizer.

Could you increase water changes to daily 30-50%? Edit: what is ph in tank verse tap? What about tap water thats been aged?
 

aussieJJDude

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Shannon Griscom said:
Last time I tried a 50% water change I lost most of my shrimp. My substrate has Ph at about a 7.4. Tap is 8-8.2. Gonna try a dark out. Thx.
If you age the tap water, does it change from 8.0-.2?
 
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Shannon Griscom

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Never done that. But I have another tank that I had to add peat to just to lower it. Luckily my fish were very hardy.
 
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Shannon Griscom

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TexasDomer said:
Can you test for ammonia in the shrimp tank?
Ammonia is 0. I barely even get nitrate readings anymore.

UPDATE: Looks like leaving the light off for a week worked! I also did about 20% wc every other day and stopped ferts all together. It's super clear now.
1525967127816713545309.jpg
 
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