If you still see black spots brush them again with a brush and a chlorine tablet.
Controlling black algae in swimming pools.
How to remove black algae.
Run the pump for an additional 24 hours.
If the algae problem is extensive use a filter cleaner rather than just plain water.
Black algae can also attach to tile grout.
Here are our top tips for preventing black algae from growing in your pool.
Nylon brushes will not work.
Shock the pool again but this time use a normal dosage.
Continue brushing for three to four days while the chlorine levels in the pool are elevated.
Black algae is normally found in the form of spots that range in size from pin head to quarter sized.
To treat black algae in your swimming pool start by brushing the sides and bottom of your pool to break up the algae so it s easier to remove.
This is the best multi purpose algaecide.
Wash and dry swimming suits after swimming in the ocean.
Treatment of black algae.
You then need to balance your pool water and use algicide in severe cases.
Remember black algae have deep roots that can penetrate the walls of your swimming pool.
It keeps your pool algae free without foaming and contains a clarifier to keep your water sparkling.
Vigorous brushing and strong chemicals are required to remove black algae.
Using a pumice stone on plaster pools only scrub the black algae to break up the protective layer.
Following a black algae hit scrub it down four times throughout the following day.
If there s only a small amount of black algae in the pool you can probably get away with backwashing your pool filter for sand or de filters or rinsing the filter cartridge.
Focus on the spot where the algae first appeared and work outwards from there.
Use a pool water test kit to test and balance your chemical levels.
Use suncoast all in one algaecide to prevent future algae breakouts.
Apply a quality pool shock product and follow the label directions to boost any residual chlorine in your pool.
Responsible pool owners brush their pools on a regular basis.
If you have a vinyl lined pool do not use a wire brush as this can tear the liner shock or super chlorinate the pool using granular chlorine also known as calcium hypo chloride.
If you have black algae in your pool you have black algae in your filter.
Black algae roots bury deep into the surface of plaster quartz and pebble surface pools.
Prior to and during treatment the algae has to be thoroughly brushed in order to open up the slime layer and allow treatment to reach the roots of your problem.
Black algae can get into your pool several ways but one of the most common is from swimming suits that have been in the ocean source.