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Originally Posted by chochiss
this is the first time I come across measuring pp via coloration. it's best to weigh it & mix it with water solutions. the right ppm is a must as high un-measured dosages will kill any damn thing easily.....not forgetting fishes.
pp oxidises organic materials...contents.......so most of the parasystic organisms will be dead. to kill all parasites in fishes.....you have to achieve at least pink coloration for a minimal time of 4 hours & do it for 2 days to be fully assured.
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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