Brown colored algae is actually a form of yellow or mustard algae and not a separate strain of its own the extremely rare mustard algae forms in pools with poor chemical balance and in shaded areas that get little sun.
Brown algae in swimming pool.
Brown algae removal from a pool.
Brown algae clinging to the sides of a swimming pool is one of the more difficult types of algae to eliminate.
The bad news first.
In a swimming pool or spa algae are those green brown yellow black or pinkish slime that resemble fur growing on the steps and in corners places where circulation may not be optimum.
If the pool is full of algae add a flocculant floc to the water and vacuum up the coagulated algae that settles on the bottom of the pool.
It can also be resistant to chlorine making it more difficult to remove.
Let the chlorine work overnight then test the ph levels of the pool in the morning to see if the ph is back to normal.
Although much of the work can be done in a single afternoon it takes several days and often several repeat.
The first step in eliminating the growth of brown spots of algae is to test and manage the pool s ph.
Black algae are also found on the sides and bottom of the pool and will look like black spots on the surface.
Outside this range the pool can become a breeding ground for algae.
This algae typically brushes away from pool surfaces easily but it quickly returns to nearby areas.
To eliminate and prevent green algae in a swimming pool start by adding an extra dose of chlorine to your pool to shock the algae and stop the bloom.
The ph is a measure of how acidic or alkaline the water is and the ideal range is between 7 2 and 7 8.
Mustard algae looks like sand in the bottom of the pool.
Once the range is balanced it will also allow the chemicals to work.
Next use a pool brush to scrub algae off the walls of the pool then.
Mustard algae are yellow green or brown they look like sand or dirt and they stick to the floor and walls of the pool.
The majority of swimming pools are exposed to several hours of sunlight per day and it s sunlight that will speed up algae growth.
Mustard algae is a stubborn pool algae that results in dirt colored or yellowish brown spots clinging to the walls and floor of your pool.