You don't mix it all at once. Dole it out in small amounts per the dilution I posted. 7.5ml of acid into 92.5ml water.
Want more than 100ml when you're done? Do 15ml acid into 185ml water.
I'd use distilled if you have it.
Want more than 100ml when you're done? Do 15ml acid into 185ml water.
I'd use distilled if you have it.