....to get scum from it cut up a flat green scourer into small pieces, fairy and shake with the lid on for a few minutes!
how much Milton?
Follow instructions on bottle.
Now that is a top tip. Nice one. I've used budgie grit before.
You can use denture cleaning tablets as well. A lot cheaper. Just drop one in and shake about, then leave like you would do yer teeth....
h2o2 solution at 35% (liquid oxygen), same stuff i use to ensure my hydroponics stay bacterial free
Tried that, the girl on the checkout kept looking at my mouth.
I've always wondered about those things on the back of a toothbrush. The actual brush part is far better for the job.