Note: When diatom coatings on aquarium substrate become thick, they become stringy and begin to degas, releasing oxygen into the water causing the pH to rise. These thick coatings need to be siphoned out, and water changes using processed water accomplished. ...

How do you get rid of brown stringy algae?

Doing frequent water changes is one of the best ways to help remove brown algae. When you do change out water, it removes the nitrates and phosphates that the brown algae eats. Make sure to really get down in the substrate with a gravel vacuum. Fish waste falls down to the tank floor and sinks into the gravel.

Is cyano stringy?

In general, cyano or cyanobacteria is red colored and can be stringy or a slime that coats surfaces.