If you’ve had an aquarium long enough, you know the problem: Algae. No matter how hard you work to set it up correctly and maintain balance in your tank, algae will eventualy grow on your glass. It consume nutrients and light (there’s nothing you can do about it).
This causes many aquarists to freak out and start scraping at the algae with metal scrapers or even they own sharp kitchen knives. Big mistake. Doing this will scratch your glass, making it permanantly hazy so that any dust or other particle become trapped.
You don’t want to make more problems; you want to fix problem so you can see again! Choose your tool carefuly. Tools should not harms the substrate, but rather clear away biological film.
How To Clean Algae Off Aquarium Glass Safely
The Dangers of Metal Scrapers
Using Magnetic Algae Cleaners
Magnets work well on bio-film. These are called magnetic algae cleaners. A magnet is placed in the tank with a pad attached to it.
While keeping your hands dry, you run a piece from outside of the tank around the outside of the tank. This design allow you to avoid having to lean over the tank. It will cleans diatoms and green spot algae very well due to friction.
To allow smooth sliding and prevent streaking, be sure to keep pad wet. Cheap magnets use soft foam pads that does not last long. They may be comfortabley to hold but will more likely smear the algae instead of remove it.
To last longer, seek magnetic types that has replaceable scraper blades or coarser pads. Several brand, such as Aqueon, make good ones with rubber blades that scrape clean without digging grooves in your glass. Spend a few bucks more now and save in long run.
Scraping With Razor Blades
For people with a little more patience, you can also go old school with a razor blade. A razor blade will cut through heavy algal growth like butter. To prevent scratching the glass, ensure that the blade stay parallel to the glass.
Applying too much force will cause the blade to slip. While this takes slightly longer than other methods, it’s quicker for bigger tank and gives you instantaneous feedback regarding how hard you’re pushing down. There’s always the worry about using a sharp object near water and electricity; you don’t want either getting out of hand.
Make sure that your razor blade is firmly locked into place so there are no mishaps. Don’t use a razor blade if you have children around or if you get a little shaky. In those instances a magnetic algae cleaner would of been a safer bet.
Sure, it won’t clean up like this. But safety is half the battle, and it’s convenient in that way.
Cleaning With Scotch-Brite Pads
Between the razor and magnets lies a compromise in the form of Scotch-Brite cleaning pads.
These has some grit but also flex, which lets you stick one on your fingertip or hold it via a handle with an extended length. They are great for getting into small spots between decor items and plant. They are soft enough not to gouge too deeply while being abrasive enough to remove biofilm.
Pads does get worn out fast and will require frequent replacement. That’s another expense to budget.
Why Chemical Algae Removers Are Harmful
Avoid chemical solutions.
Chemicals can also harms your fish and plants. Even so-called “algae removers” can eliminate important good bacteria and damage your plant. They merely address the symptoms (e.g., nutrient or light levels too high) instead of the underlying problem.
Prevention and Maintenance Tips
Addressing those factors will prevent future problems. Prevention is better than cleaning up, a band-aid that only works temporarily. Properly maintaining water conditions set you on the road to a healthy, balanced ecosystem.
Remember, we want to get that glass clean but not damage the tank. Apply even pressure with the proper pad. Unless you know for sure it won’t scratch the glass, don’t go at it with a tool made off metal.
Clean glass is good for your eyes and good for the fish. Begin with the most gentle thing that works and step up from there as needed. Doing so keep the hobby fun instead of a chore.
