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Old 07-01-2013, 09:18 PM   #21
w47
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hahaha, thanks for all the feedback. by the way, how much pp do i have to add?

I read online that we have to add 2ppm, is it 2 part per million.
so for every 1million ml, i will add 2 ml of pp?
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Old 07-01-2013, 10:47 PM   #22
macky
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May I know where to buy pp
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Old 07-01-2013, 11:53 PM   #23
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Quote:
Originally Posted by macky View Post
May I know where to buy pp
Most pharmacy should have. They are available either in liquid or crystal form.
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Old 08-01-2013, 07:28 AM   #24
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Can use pp aka potassium permanganate
I also second this. I used "pp bomb" on my new tank then (kiasu) to clean up the tank. Drained 50% and added prime to clear the residues. Added fishes immediately, some swordtails to kick start the tank cycle.

Quote:
Originally Posted by w47 View Post
hahaha, thanks for all the feedback. by the way, how much pp do i have to add?

I read online that we have to add 2ppm, is it 2 part per million.
so for every 1million ml, i will add 2 ml of pp?
I think there's one article mentioning using colour as a gauge. From what i remember (better to double check), the colour of the water should be a light pink. Once this pink has turned to brown, the pp has oxidized and you can then drain out all the water and rinse it out.
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Old 08-01-2013, 07:35 AM   #25
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This is what i meant.



This is the oxidized colour

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Old 08-01-2013, 08:54 AM   #26
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When you wash the tank put the PP in it , is it ok with the medias inside too.
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Old 23-09-2017, 01:56 PM   #27
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Need to disinfect my 30L tank.

May I know how much potassium permanganate do I need to add ?

I plan to add the PP and continue to run the tank with the filter, gravel etc.. just without livestock. Is that correct ?

How many days will I need to soak the tank with PP?

How do I get rid / neutralise the PP after the process is done ?
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Old 24-09-2017, 06:06 PM   #28
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Got this today.


Active ingredient : 0.1% PP.

Any advice on the dosage ?
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Old 26-09-2017, 10:38 PM   #29
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I did not really bother about dosage. Just add until you see the water turns to light purple or even dark purple, as with your preference as you do not have fish in the tank.

PP will kill ALL bacteria, including the good ones.
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Old 27-09-2017, 06:57 PM   #30
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Yes, add till the color stays. But if your tank has high organic content you will need a lot, especially when you leave the substrate and plants in there.
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