ABSOLUTLEY and you arent afraid to save some time and use a razorblade just remember vertical or horizontal scraping only no diagonals.
Im currently in the early summer algae bloom i get every year. Its the water I use. Only tap water goes into my tank
P.S. I dont recommend anyone to do this. It works for me based on where I live and local water chemistry. The two keys to being successful in this hobby are DO NOT OVERFEED and DO NOT OVERSTOCK. Imagine living with your whole family in a studio apartment.