Question: How do you scrape coralline algae off the glass of your reef tank?
Option 0: The easiest way to scrape stubborn coralline off your glass is with a credit card and a Mr. Clean Magic Eraser. This also maximizes the risk of scratching the glass or acrylic.
Option 1: The easiest way to scrape stubborn coralline off your glass is with a credit card and a Mr. Clean Magic Eraser. This also minimizes the risk of scratching the glass or acrylic.
Answer: 1