The Planted Tank Forum - View Single Post - Sand Blasting Stone
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post #23 of (permalink) Old 12-04-2012, 02:10 PM
Planted Member
Join Date: Dec 2011
Location: Denver, Colorado, USA, Earth
Posts: 234
+1 Merth

"Washed and ready to use" on the package means it's ready to sandblast your components...not clean to aquarium standards.

I rinse it thoroughly - lots of oil residue and very minute prticulate. Paint screens (as in a screen filter to rid paint of lumps) works really well for this. 5gal size by the way.
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