i am tapas.from kolkata..
for white spot .use cheleted copper solution ...which has to be made with copper sulfate crystal ,which is easily available in the old type grocery shop and a small pinch of 1 gram citric acid which is available in any medicine shop.
formula for preparation ...small pinch of citric acid , mix it with 1ltsof distilled luke worm water and then put 2 gms.of copper sulfate crystal and then store it. this stock solution is prepared ..for every 100 lts use 3ml for medication .it is a slow process but effective, even can be used in the planted tank no harm with the plants becouse plants requir bit of copper ..
this chilleted copper will remain in the water ,which will not pecipate in the aquarium water forming copper carbonate ..this happens becouse of the carbonate salt present in the water, and cheleted copper isless toxic then direct charging of copper sulfate.
EXample has to be checked.......
take a glass of normal tap water and drop a piece of copper sulfate then dissolve it ,,it will be observrd that this solution colour is cloudy bluish,this is due to copper mixing with carbonate which was already on the water.
and within a day it will be observed that copper has pecipated on the bottom.
but if u take a pinch of acitic acid in a glass of water and dissolve it then put a piece of copper sulfate in the glass wait till it gets dissolved ..u will observe that there is no cloudy bluish but clear light blue colour..
and if there is precipation in any medicine preparation or stock solution receipe which you make of your own ,its expiry date is very quick..which may be problem for the fish .
my sugession:- it is better to take time and understand the chemical processing of mine before being excited and trying to make it.
In my experimental job there is no other rabbit i use ,but i am the only rabbit for my experiment and if it is successful ,then only i give sugession to others,so i have tried out this formula before few years.
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