Sponge and glass

saltn00b

Active Member
it take a alot of force and 'hardness' to scrath glass. it it is acrylic, that is different, but still most things growing dont even scratch that, and i cant say i have ever heard of sponges scratching, as they are usually very soft.
 

natclanwy

Active Member
Shouldn't scratch the glass but, be careful using sponges in your tank many are treated with antifungal chemicals.
 

mcbdz

Active Member
I be careful with a sponges as stated above, if your just cleaning the tank i would invest in a MagFloat they're fairly cheap and work great
 

pbienkiewi

Member
First off why are you asking about a sponge with the scubby part? Are you trying to clean the glass off? If so go to walmart or Home Depot and get a scraper with replaceble blades.
 
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