How to scrape algae under C2C overflow on back glass?

meegwell

New member
I have a magnet cleaner (with velcro like scrub pad) but I need to get at the back glass with a blade type scraper. I have a kent multi tool but because of the C2C overflow expanding across the tank at the top, I cant get to the glass below it.

Is there something more aggressive in a magnet formation that will allow me to scrape some tough algae back there?
 
Are you referring to scraping coraline off the glass or algae? I have never really had any algae that was tough to scrape off.

Try to post a pic if possible so we can take a look and get that glass nice and clean.
 
Ill try to get a pic of it but yeah its a green coating that takes a lot of scrubbing to get off. With the blade it comes right off.
 
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