Plastic Pool Steps Turning Yellow

The cause of yellowing steps is most often mustard algae which can leave powdery yellow green or brown deposits along your pool walls steps and in shady spots beneath the water s surface.

Plastic pool steps turning yellow.

For plastic pieces that are discolored from food dyes. With a clear acrylic varnish will help prevent them from turning yellow again. 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. 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.

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. Mustard algae usually brushes off easily and can often resemble pollen or dirt that has accumulated on the steps walls or floor. Take care when putting anything in the water to clean the stains that could change the chemistry of the water or be unsafe for swimmers but there are several ways to remove pool step stains without causing damage to. Algae can cling to the surface of the plastic as it multiplies.

A number of minerals and organisms present in pool water can cause discoloring on white plastic. 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. Discolorations that are greenish in hue are often algae although less common forms of algae can also turn plastic pink yellow or even black. Stains are usually caused by algae or chemicals in the water such as trace metals.

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. Steps to whiten the plastic. Mustard algae typically grows in the shade and may also cling to the sides and bottom of the pool. Includes two 8 ounce bottles for one application.

If the stairs of the swimming pool are turning yellow you may have mustard algae. 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. This simple 2 part system safely and effectively removes yellow and brown metal stains right before your eyes with no scrubbing. Pool steps can become stained and unsightly.