Black Algae Treatment

Rate listed is for one treatement. Please visit our Service Area page to find out if we service your area.

Black algae can be a problem for even the most diligent pool owners. Black algae will form small (typically 1-3 cm / 0.4-1.2 inches in diameter) black or dark blue green dots on various surfaces, such as pool floors and pool sides. You can find similar algae on shower tiles and silicone seems in moist bathrooms. Just like the dreaded yellow algae, black algae are capable of blooming even in pools with proper filtration and plenty of chlorine. Treating can also be very frustrating, as an algaecide alone will not kill black algae.

Black algae will form layers where the surface layer protects the underlying layers. Washing with chlorine will typically only kill the outer layer and getting rid of black algae can be really tricky. The black algae have strong roots planted firmly in the surface and you have to destroy the roots if you want to completely eradicate the algae. If any roots are left, new black algae will become visible in the same spot sooner or later. On the good side, black algae grow extremely slowly compared to most other types of algae.

Even though black algae grow slowly, it is best to fix the problem as soon as you notice it. The longer you wait, the harder it will be.

Our treatment program is tailored to attack the algae using strong chemicals, vigorous scrubbing and removing sources of food the algae depend on.

After treating, the pool will have to be brushed on a daily basis by the home owner for 30 days.