i just noticed this kind of white film all along the inside front panel of my tank i went to clean it with a cleaner stick thing and it didnt help much so i just used my hand and its slick and slimy i cleaned all of it off it was very hard to see you have to really be looking but what is this stuff is it good bad? can i get rid of it please help me out pictures would be almost impossible because of how hard it is to see but if it comes back ill try to get some but i need some answers fast please thank you!