[Histonet] clean slides

[mohamed abd el razik]

Dear Histnetters
i have a proplem that when i open a new slide pox i see some depress on slides such as dust
so i'm trying to clean it by a formula i have read about it by using potassium dichromat and sulphoric acid for cleaning glassware. 
i just would like you to share me for that issue
what are you doing?
 
thanx
Moahmed Abd El Razik
Dep. Of Histology
Faculty Of Vet. Med.
Cairo Univ. in Egypt