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Discussion Starter · #1 ·
So one of my sons tanks had a a slight hair algae problem. On Sunday during our usual waterchanges, I decide to dip his hornwort and anacaris in a 50/50 tank water and 3% H2O2 dip. One minute dip. Placed plants back in the tank and procceded with the usual waterchanges. Well by this morning there was nothing but stems and a huge amount of leaves littering the tank. What did I do wrong? These were beautiful healthy plants that were growing for months.
 

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You really need to be careful to know the concentrations that you're dealing with whenever handling any sort of chemical like peroxide. For example, 1.5% peroxide is 1500 mg/L, and that's MUCH higher than any plant would be able to handle. If I recall correctly, when getting rid of algae people use something like 75 mg/L H2O2. Try not to do anything like this again without researching the chemical and its proper usage.
 

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Don't give up on it just yet, it might still pull through if the roots are healthy.
 

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Yeah, hornwort doesn't like h2o2. Found that out the hard way spot treating a plant that was next to it. Very small amount melted the entire plant. Hornwort is so ridiculously hardy I would just cut away whatever part is infected with algae and let it grow back.
 

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dip (dp)
v. dipped, dip·ping, dips
v.tr.
1. To plunge briefly into a liquid, as in order to wet, coat, or saturate.

One minute is NOT a Dip. Dip means Dip in the solution, pull it out, move it to the rinse bucket or return to the tank.

Here's a good thread on H2O2 http://www.plantedtank.net/forums/showthread.php?t=146403

My current protocol is to use a spray bottle to mist with H2O2, then either clean water rinse or into the tank, depending on the number of plants and tank size. Dwell time maybe 15 sec for crypts.

Hornwort grows so fast I would just cut away the algae coated areas.
 

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Marinate
mar·i·nate /ˈmerəˌneɪt/ verb
mar·i·nates; mar·i·nat·ed; mar·i·nat·ing
: to put meat or fish in a sauce for a period of time to add flavor or to make the meat or fish more tender : to soak in a marinade [+ obj]

▪ The recipe says that you should marinate the chicken overnight. [no obj]
▪ The chicken should be allowed to marinate overnight.
▪ I wouldn't marinate that in peroxide if I were you.

If the algae infestation is severe, cut your losses and trim heavily. Plants and weeds all grow so you'll eventually get it all back
 

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Discussion Starter · #11 ·
Marinate
mar·i·nate /ˈmerəˌneɪt/ verb
mar·i·nates; mar·i·nat·ed; mar·i·nat·ing
: to put meat or fish in a sauce for a period of time to add flavor or to make the meat or fish more tender : to soak in a marinade [+ obj]

▪ The recipe says that you should marinate the chicken overnight. [no obj]
▪ The chicken should be allowed to marinate overnight.
▪ I wouldn't marinate that in peroxide if I were you.

If the algae infestation is severe, cut your losses and trim heavily. Plants and weeds all grow so you'll eventually get it all back
Now I'm hungry! The algae was very slight. Time will tell what will happen.
 

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Discussion Starter · #12 ·
You really need to be careful to know the concentrations that you're dealing with whenever handling any sort of chemical like peroxide. For example, 1.5% peroxide is 1500 mg/L, and that's MUCH higher than any plant would be able to handle. If I recall correctly, when getting rid of algae people use something like 75 mg/L H2O2. Try not to do anything like this again without researching the chemical and its proper usage.
It's not bomb grade plutonium. No need to scold me.
 

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It's not bomb grade plutonium. No need to scold me.
We've had a sudden rash of H2O2 overdose related accidents described here in the past few days, so some folks are on edge about the issue.

Look past the wording and to the meaning.

For some reason, I'm now craving marinated chicken, and bomb grade plutonium; even though I have no idea what I'd do with the latter.
 

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It's not bomb grade plutonium. No need to scold me.
Not scolding, simply advising. As someone who works in a lab with many toxic chemicals, I know the importance of being aware of exactly what I'm dealing with. But fine, I'll take it back. Please go ahead and dump whatever you'd like into your tank without having a clue as to how it will affect anything.


(And I noticed that I forgot a zero in the 1.5% H2O2 concentration in my last post, it's actually 15,000 mg/L)
 

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We've had a sudden rash of H2O2 overdose related accidents described here in the past few days, so some folks are on edge about the issue.

Look past the wording and to the meaning.

For some reason, I'm now craving marinated chicken, and bomb grade plutonium; even though I have no idea what I'd do with the latter.
HA
The latter will cook the marinated chicken!
 
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