ick shield question

[dominic]

I am done adding fish to my 400 gal I added my floweri and mystery wrasse today after 6 months in qt.
I just want to have this stuff on hand in case.
but how much would I need to buy it comes in 50g bottles and I cant get any store to answer that has it in stock .
thanks

 

[rssjsb]

They claim that a 50 gram bottle of Ick Shield treats 1600 gallons. I don't think you'd want to use it in your display, but if your QT/HT is 40 gallons or less as is typical, it should last for many treatments.

I think you can get it on Amazon and other online vendors.