Instructables

Simple Algae Scraper

This is an easy-to-make algae scraper for scraping algae (duh) off of glass aquarium walls. Not recommended for acrylic tanks, as it may scratch the walls.
Note: This is not my idea. The original idea came from Here
Note: Hot glue guns get hot. razor blades are sharp. any injuries you may obtain while making this instructable is not my fault.
 
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samalert2 years ago
why attach a blade rather use a brush end it will scrape better and will protect the ornaments too............and if it does nt scrape ten need to sue those for making fake ads :P
nice, if you put the blade on an angle, it will scrape better.
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