Black Algae Vinyl Pool Liner

Nylon brushes will not work.

Black algae vinyl pool liner. Black algae have a tough outer shell and roots that are resistant to chlorine. 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. Black algae is probably the hardest algae to get rid of in your pool. The way to rid your pool of black algae is holding your fc at shock level and frequent brushing.

Of calcium hypochlorite granular chlorine in an old sock to put on a spot. These organisms will pitch camp at the backside of the pool liner. Fc 25 ph 7 8 cya 42 ta 85. We came home from vacation to little black dots.

Brush every black algae spot with a steel bristle brush to remove the protective layer. 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. What differentiates it from algae is that it s more of a parasitic type organism says terry arko water specialist for seaklear pool spa products based in bothell wash. If the algae problem is extensive use a filter cleaner rather than just plain water.

You can t scrub them away you can t add chemicals as it does nothing. It may not always be black algae or metal oxides causing the stains. When they release the dye it will wick through the liner s fabric and form blotches. Bottom line black stains on vinyl.

So excited about the little things. Don t leave the chlorine on the spot for too long as it may bleach the liner. Our in ground pool seems to have black algae under the vinyl liner or so says the pool company. I still have black algae on my vinyl liner but my numbers appear to be in line.

And while a vinyl pool is not nearly as susceptible to algae if you happen to notice an infestation a softer bristled brush can. Dye producing organisms may be the culprits as well. If you have black algae in your pool you have black algae in your filter. Alot of people initially treat it chemically as a algae growth major shock treatment in addition to a special algaecide.

A stiff or wire brush may be used to remove the protective layers of the algae. You can also use about 1 2 lb. I got my taylor test kit. In a plaster pool you would use a ss brush not new plaster in a vinyl pool you use a brush that is safe for vinyl liners.

Check out our detailed guide for how to prevent and get rid of. These micro organisms develop colonies behind the liner and left unchecked eventually will permeate through to the printed side appearing as dark gray or black splotches. Over the last 12 yrs i have probably looked at over 100 inground vinyl pools with this black mold growth under the liner.