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Originally Posted by standoyo
Hi,
IMO the simplest/cheap method is still to eyeball the colour. Hey when someone told me that it also raised questions like you guys a year back. You may kill your fish if you are klutzy and spill the whole mixture in.
I'd like to ask how heavy is twenty PP crystals? Ever though of how light that is? You have a super lab scale? Get real man. 
You can weigh 1 gram, create stock solution and keep. Not for long, the stuff oxidizes.
1 gram of pp mixed into stock would be ok if you had a lot of tanks to dose. Say like a couple of thousand liters?
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After using it for a few times i'd say it's fine and easy enough unless you are blind or seriously colour tone challenged.
I have discus which i dose periodically once every two or three months. 4-8 hour baths for light colour ~20-30% tint is ok.
~1/2 hr for medium tone is even better.
If the colour turned brown you might as well do a water change and freshen up the water. Skip a day to redose as the gills of the fish get a little burned in the process and watch the fish closely. Some fish may react very badly to it and start swimming agitatedly. Remove them and do 100%WC in those cases.
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Not that i like you using the stuff but it's cheap, instant and easy without the problems of popular carcinogenic formalin or long time treatment for antibiotics. One I would use when salt treatment fails.
R
Stan |
Stan stan......
The mixture of PP will not oxidise unless you leave out in the sun or it have sunlight passing through it la. Dun think your little 1g will be able to prepare mixture for thousands of liters la. I usually prep up about 1litre of pp @ 2ppm & it'll last me bout 3 months....depending on fishes health. I do drop in meds & help out for my friend's LFS in the quarantine section. So you want the calculation onot?
You see the thing about pp is......
- Measuring the right amount of ppm is a must cos if not.....death will occur.
- The color purple stays in the same shade of tint no matter how much you dose it.
- Color transitions will be from purple to pink then when all pp is spent, it'll turn brown.
- I do not use it regularly as it'll stress up the fishes cos it's a little caustic. But it'll surely brighten up your fishes' color though.
- You can discolor or de-activate pp by dousing H2o2. It clears up pp & de-activates them.
In preparing meds through chemicals & organic science...I'm a mad scientist!!! All this are done with the help of my wifey though....sometimes you just can't argue with a future biotechnologist. Damn........