Littlefish Posted January 16 Share Posted January 16 Having had 75g fw that grew a hard green algae on the glass that plastic scrappers couldn't remove, I thought I'd share this scrapper I made for saltwater coraline algae removal, which I used a few times a year on the fw glass. It is a 3/8" dowel with a thin curf cut made halfway through at an angle. A coping saw or a multitool blade makes a cut that a straight razor fits firmly into without being so tight it is dangerous to push on or take off. Works great! No scratches on a 4 y.o. Nuvo 10g. Do not use this on acrylic. Here is the angle Snow! 2 Link to comment Share on other sites More sharing options...
lefty o Posted January 16 Share Posted January 16 razor blades work great, as long as you stay away from the silicone. Link to comment Share on other sites More sharing options...
nabokovfan87 Posted January 16 Share Posted January 16 Nice work. Link to comment Share on other sites More sharing options...
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