Why is my betta fish eating algae?
You’re Not Feeding Him Enough
Another reason your betta may start trying to eat algae wafers is if he’s not getting enough food. If this is the case, as well as eating algae wafers, you may also notice that he’s eating plants in the tank, and in some cases, he’s even trying to eat the shrimp and snails!
How do I stop my betta tank from growing algae?
Regular Water Changes
Clean water is THE staple of good aquarium care. Regular water changes can help dilute and carry away unwanted algal nutrients that build up in your aquarium water. Doing weekly water changes of 10-20% and a larger water change of ~30% every month will help keep your water clear.
Is it bad to have algae in fish tank?
Algae is actually a good thing for your aquarium’s ecosystem because many fish and invertebrates like to eat it and it helps clean the water as a form of filtration. Plus, certain algae can look attractive and make an aquarium seem more natural.