What do you use to clean the inside of your glass?

[david s]

magna float and a kent scraper once a month yes definatly watch your fingers when i first got the magnafloat it got my finger on the side and i almost cryed lol a blood blister and all

 

[plum70rt]

I have a set of algae free magnets, made from neodymium earth magnets, the strongest magnets available on earth!
WOW really strong, 1 swipe gets off anything, acrylic safe with pad,I have Hammerheads which are for 1/2 inch glass or acrylics,
they make them for up to 1 1/2 inch thickness