Mustard algae typically grows in the shade and may also cling to the sides and bottom of the pool.
Plastic pool steps turning yellow.
Includes two 8 ounce bottles for one application.
For plastic pieces that are discolored from food dyes.
If the stairs of the swimming pool are turning yellow you may have mustard algae.
When keeping the pool full step stuff and stain free offer almost a sure cure to pool step stains but be sure to follow directions with regard to application and more importantly follow.
Discolorations that are greenish in hue are often algae although less common forms of algae can also turn plastic pink yellow or even black.
With a clear acrylic varnish will help prevent them from turning yellow again.
A number of minerals and organisms present in pool water can cause discoloring on white plastic.
Algae can cling to the surface of the plastic as it multiplies.
Mustard algae usually brushes off easily and can often resemble pollen or dirt that has accumulated on the steps walls or floor.
If you have white fiberglass pool steps that turn yellow and vitamin c or ascorbic acid based products will remove the stain you are likely dealing with metals in the water.
This simple 2 part system safely and effectively removes yellow and brown metal stains right before your eyes with no scrubbing.
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The ph neutral non toxic liquid formula works great on white plastic steps acrylic fiberglass gunite and vinyl covered steps and can even be used on rock waterfalls.
Steps to whiten the plastic.
It is one of several different types of algae found in swimming pools and when the slippery substance forms on stairs it makes for a treacherous climb in and out.
If the ph of the pool increases with use or shocking with chlorine it can drives minerals metals in the water out of solution and this will deposit them on the surface.
Pool steps can become stained and unsightly.
For this method the goal is to lightly sand off the top layer of the plastic that is discolored to reveal a new white layer.
Like all other pool stain problems the first step is to balance the water unless you want to drain the pool to the bottom step and scrub the pool steps by hand with a chlorine based cleanser.