I am a bit worried that my isinglass solution will spoil.
We usually rinse, spray with caustic in hot water, rinse again and sanitise. Any other product I could use in an emergency to clean aluminium firkins? Something I could pick up from a supermarket?
Some conflicting info on bleach and oxyclean for aluminium so perhaps I should just test with hot water (70-80degC) (and fairy...
![Rolling Eyes :roll:](./images/smilies/icon_rolleyes.gif)
Thanks!