Dosing H202

MichaelReefer

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Looking for some good information on H202 dosing, I really cant seem to find much.

I am battling a bout of green Cyano. When you dose H202, do you need to turn off Carbon, UV and your skimmer? I have found mixed answers online. Appreciate any help
 
Do a thread search, there was a big one not too long ago.
 
 
though I love peroxide a lot lol Id never recommend it or any doser for cyano, rip cleaning the sand will beat cyano more than anything (deep cleaning the sand back to new, less waste)

all dosers and in-tank kills take a situation of waste-compounding (Ive never seen a cyano tank that didnt have cloudy sand if you reached in and disturbed it, or heavily cloudy rocks that cast off clouds of feed/waste when you swish them in the mid tank) and make it worse. The dosers kill on round one, sink in new mass, and round two changes into gha and cyano

clean out your waste stores causing cyano or design a throughput style, non catching reef to avoid the cleaning work. 99% pattern says once your sand is cloudless when disturbed, and rocks, no more cyano until the waste builds up again and they use it as a nutrient substrate along with environmental nitrogen.
 
Dose 1ml per 10 gallons at night. Do a blackout (no lights) for 5 days. If coral in tank, run blue only at 10%.
daily, loosen stuff with aturkey baster and net it or siphon it. Rinse filters daily

Do not feed coral food or add NoPox while doing the peroxide treatment as it will fuel dino

ive done this more than once with no issues
 
Dose 1ml per 10 gallons at night. Do a blackout (no lights) for 5 days. If coral in tank, run blue only at 10%.
daily, loosen stuff with aturkey baster and net it or siphon it. Rinse filters daily

Do not feed coral food or add NoPox while doing the peroxide treatment as it will fuel dino

ive done this more than once with no issues

I cant seem to find any information if I should turn off UV and Carbon off? Some also say to dose it every 12 hours?
 
I cant seem to find any information if I should turn off UV and Carbon off? Some also say to dose it every 12 hours?
Uv stays on, carbon ok and dose at night.
During the day you can dose liquid bacteria at 1ml per 10 gallons
 
Uv stays on, carbon ok and dose at night.
During the day you can dose liquid bacteria at 1ml per 10 gallons

What exactly is the reason to dose at night? just out of curiosity. Also, is it better to dose into the return pump area? Or should I just release into a powerhead in the display?
 
Last edited:
What exactly is the reason to dose at night? just out of curiosity. Also, is it better to dose into the return pump area? Or should I just release into a powerhead in the display?
Release into the display. Dino and bacteria are dormant at night making peroxide most effective. Whereas bacteria is most active during day why you dose during day
Forgot to mention.... feed fish as normal but do not feed target foods for coral
 
I though part of the reason you dose H2O2 at night was because it degrades rapidly in light, so dosing in the dark makes the treatment more effective.
 
I though part of the reason you dose H2O2 at night was because it degrades rapidly in light, so dosing in the dark makes the treatment more effective.
So should I not even bother dosing during the day? I read in a few places to dose every 12 hours?
 

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