Removing coraline algae

Brother D

Member
Three sides of my tank are heavily encrusted with purple coraline. Anything I should be aware of as far as toxicity or anything before I scrape it all off?
 
No worries about it being toxic. What is your tank made of? If acrylic, be careful not to scratch it. If it's a glass tank, I use a straight razor blade to scrape it off.
 
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