what is the doze of Formalin and Malachite Green

[vera]

Hi ppl
have my discus breathing trough one gill and dark in color
i want to treat them Formalin +Malachite Green ,so kindly tell me what is the doze of each and how many days shell i treat them
thank u in advance

[pcsb23]

Most premixed formulas are dosed at the 10ml to 360 litre rate, check the bottle their recomendations. A good "guesswork" method is to use 1 drop for 4 litres.

[vera]

hi Paul
i have formalin (37 %) separate from malachite green so how much of each i put in and for how long do i doze it?
thank u

[pcsb23]

It has been a long time since I used them seperate. From memory I made a stock solution of Malachite green using an ounce to a gallon, and dosed at 1 drop per gallon which is about 0.4mg/per litre. Formalin is dosed at 1ml per 75 litres of 37% stuff.

Maybe others will chip in, sorry I can't be of more help :o

[vera]

thank u anyway:)

[Graham]

The recipe that I have is

15 gr. MG to a gallon of 37% (or as close as you can get) formaldehyde makes the “stock” solution....dosed at one drop per gallon

[vera]

thank u Graham!