Fill a clean 5 gal bucket full of pool water and pour in 2 3 lbs of pool shock.
Algae in vinyl pool.
If you have a vinyl pool liner pour the shock into a bucket of pool water first to avoid bleaching warning liquid chlorine will explode and produce corrosive gas if it touches chlorine tablets or granules.
It s at this stage that you should start to attack it green algae can grow quickly in 24 hours or less.
Vinyl pools should pre dissolve cal hypo shock before adding to the pool.
And while a vinyl pool is not nearly as susceptible to algae if you happen to notice an infestation a softer bristled brush can be used.
Here s my recipe for turning around a dark green algae filled vinyl liner pool.
Brown algae won t come off of a vinyl liner.
It s more at home in concrete plaster or gunite pools because they re porous surfaces the organism can really latch onto and even grow roots past the surface.
With the pool filter running add the shock directly to the perimeter of the pool.
Stir with a suitable paddle continuously for 1 minute then walk the solution around the edge pouring it into the pool.
Pool algae treatment tips.
Also black algae seldom forms in pools with fiberglass or vinyl liners.
If you have a cement or natural element pool a stiff or wire brush may be used to remove the protective layers of the algae.
Green algae chlorophyta is a slimy substance that can be found on pool and spa surfaces first signs of it appear in small clusters on pool steps or lurking in corners.
The first thing that has to be done is to clean the pool to remove as much organic debris as possible.
The pool water is clean but the liner is covered it what appears to be brown and red algae.
There s no way the water will come back if you have a layer of leaves on the bottom of the pool or floating around on top.