H2O2 dip % ?
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Old 08-28-2011, 02:36 AM   #1
DogFish
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H2O2 dip % ?


I'd like to try a H2O2 dip for some Trident Java ferns. I've had a few grow-out tubs outside this summer. I had them in various spots to get a feel for how long a photo period would effect growth of various plants.

Did see that 6am to 8-9pm was just a bit too much for one tub. I have some green hair algae on some of the Java ferns and in some Taiwan moss. I'd like to try a brief DIP of H2O2. I'd like some guidance on how strong a solution for a brief DIP.

Thank You

Last edited by DogFish; 09-21-2011 at 03:29 PM..
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Old 08-28-2011, 02:37 AM   #2
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Hair algae isn't going to be harmed by h2o2. If you kill the hair algae you'll have killed or severly harmed the plants. Just bleach dip them. 1 cup bleach to 19 cups water and keep them submered for 3-4 minutes. After which, thoroughly rinse with clean water and then leave them to soak with water and lots of dechlor (10-20x dose).
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Old 08-28-2011, 02:41 AM   #3
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Quote:
Originally Posted by Jeffww View Post
Hair algae isn't going to be harmed by h2o2. If you kill the hair algae you'll have killed or severly harmed the plants. Just bleach dip them. 1 cup bleach to 19 cups water and keep them submered for 3-4 minutes. After which, thoroughly rinse with clean water and then leave them to soak with water and lots of dechlor (10-20x dose).
If rinsed, no need for a 20x dose. 3-5 x dose would be suffiecient. If allowed to soak in a clean water tank after rinse and adding normal dechlor, bleach will be gone in 24 hours. It evaporates quickly.
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Old 08-28-2011, 02:52 AM   #4
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Interesting I just read a mind numbing thread on another forum that raved about H2O2's effect on Green hair Algae.

http://www.guppies.com/forums/showth...-Peroxide-H2O2

They were doing a 6 hr. bath of 5ml to a gal of water. SO, I thought maybe higher dose less dwell time?

It seems H2O2 might be less stess than bleach?

Last edited by DogFish; 09-21-2011 at 03:30 PM..
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Old 08-28-2011, 03:08 AM   #5
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Hmm...interesting. That seems like a really low concentration and clado is known to be nuke proof. I suspect the algae was on its way out already and the h2o2 just helped it along.
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Old 08-28-2011, 03:49 AM   #6
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I agree about being objective.

I think I'll run a test..in the name of Science...LOL

I use the bleach 1:19 @ 3min. Then a 2x dose of HO2O- 5ml: 66oz for 3min. and a 4x dose of H2O2 5ml: 33 oz for 3min.

I'd offer my plants are healthy, strong rhizomes, new growth, strong roots. The hair algae is healthy & new also.

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Old 08-28-2011, 04:18 AM   #7
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Sounds like a plan. And yes. In the long run H2O2 is a lot less rough on plants. But in my experience dipping plants in H2O2 only ever helped with staghorn and bba. Clado and stuff like oedogoium came out unscathed.
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Old 08-28-2011, 12:20 PM   #8
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Jeff - Do you remember how much H2O2-H2O ratio you used & how long you dipped them? I could use your experience as a baseline.

Last edited by DogFish; 09-21-2011 at 03:30 PM..
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Old 08-28-2011, 02:18 PM   #9
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I use 3% h2o2 straight out of the bottle and mist my plants before I put them in the tank. If I'm dosing in the tank I spot treat using a pipette.
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Old 08-28-2011, 06:21 PM   #10
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While not directly related to plant dips I use 3% H2O2 regularly here.

Based on recommendations received on a breeder site I use 3% H2O2 at up to 10ml/g as a dip for external fungus and parasite treatments on angelfish. Garrett claimed this solution was strong enough to kill algae and practically all bacteria and parasites, protozoan’s, etc. Other than his word I have no proof of this but have used this level of solution and had fish recover and external symptoms not return.
2-3 hour soak then 50% WC, 24hrs. later another 25% WC and the treatment is complete.

Tanks are scattered throughout my home so I use a 45' siphon hose to reach the exterior when draining tanks doing water changes. I have a 6' tail hose I sterilize between tanks but the main hose gets quite nasty over time never drying out.

3qts/1-1/2 gallons of water once a month or so is used on the main hose to clean it.





While exactly what is growing within the hose is unknown to me I do know 72hrs of circulation takes the hose from this,


To this


I don't use bleach.
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Old 08-28-2011, 10:10 PM   #11
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Quote:
Originally Posted by wkndracer View Post
...Based on recommendations received on a breeder site I use 3% H2O2 at up to 10ml/g as a dip for external fungus and parasite treatments on angelfish. Garrett claimed this solution was strong enough to kill algae and practically all bacteria and parasites, protozoan’s, etc. Other than his word I have no proof of this but have used this level of solution and had fish recover and external symptoms not return.
2-3 hour soak then 50% WC, 24hrs. later another 25% WC and the treatment is complete...
That is actually very related to the topic. So, now, I think I'll modify my tests

5ml:gl., 5ml:1/2gal, 5ml:qt. Do them all for 1hr. rise, soak and pn an Algae free container. I should mist one straight, a maybe leave the H2O2 on for 5min,. too. This should be interesting.

wkndracer - Are those planted tanks or breeder tanks? Curious about an observations on plants you might have had or Algae growth in breeding tanks.

Last edited by DogFish; 09-21-2011 at 03:31 PM..
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Old 09-04-2011, 02:37 AM   #12
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Any updates?
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Old 09-04-2011, 04:26 AM   #13
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Yes, but not on the proposed test.

I've had a tub of e.belem out for two months, rear deck afternoon Sun. Moved it to the front of the house near my thai chilies. Full sun all day. Mostly as a learning experiment.

As you might guess I got hair algae.

The tub has appx 1gl water over 2" of MTS & 1/2 sand cap. I've keep the water 2" over the belem. 2x week water changes light ferts.

So first I physically remove as much hair algae as I could. Drained the tub. Layed paper towels over the "crop" and picked up more algae.

2nd added 10ML H2O2 to 1gal water and let it work for 1hr.

4days later I believe most of the algae was dead or dying. The plants looked fine.

My time line to use those plants has moved up. I don't want to introduce the hair algae to the new tank so, I decided to hit it again.

Today I repeated the clean up protocol.

After the tub was drained I use a spray bottle and hit the plants, sand & tub wall with straight 3% H2O2. Let it cook for 5min. added a gl of water let that sit for 1hr. Then drained the tub and refilled with fresh water.

Did that at 9am. we only had a few hours of morning sun then over cadst, light misty rain in the evening. Tomorrow I'll give it 1/2 sun them. It comes indoor as a cold front is coming in. We've been in the 90's..going to 68 daytime, so maybe 50 night?

Indoors I have some other growout aquariums, both sub/emersed. I'll put this test tub with them, I'll report on it in a week.

I hope to set up my nano next Friday, Hopefuly, I'll have clean belem.

Last edited by DogFish; 09-21-2011 at 03:31 PM..
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Old 09-04-2011, 10:51 PM   #14
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Just changed out the water again, prior to bringing them indoors as our temps dropped.

NO question the hair algae is NUKED. Now, let's see how well the plants bounce back.
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Old 09-04-2011, 11:24 PM   #15
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i have had my hair algea get killed from h˛o˛, if you still have the pots they were in why not try an pull out some of the algea and try h˛o˛ for yourself and see if it works as if it works for you and you get a little transfered into your tank you know it will work... just a thought
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