How do you identify pool stains?

How to Identify a Pool Stain

Organic stains – green, yellow, or brown and is a result of leaves, algae, mud, or other natural debris.
Metal stains – reddish-brown, or very dark in color and will commonly appear after chlorine is added or after the swimming pool is shocked with granular chlorine.

Why does my pool liner look stained?

Sometimes, the pool liner will also be stained yellow. These rusty patches on the liner can come from metal parts, like handrails or ladders, but they can also be caused by corroded iron pipes or well water. Green or brown pool liner stains usually come from organic matter like algae, leaves, bugs, and mud.

What causes copper staining in pool?

Copper staining occurs when copper is introduced into the pool from sulphate blocks, copper and silver systems, low-quality pool salts or copper-based algaecides. All of these products add invisible copper ions into your pool water. This then causes discolouration in the form of a stubborn coloured stain.

What do iron stains in pool look like?

Iron. Iron stains a green, red-brown, and green-red-brown hue. Again, well water might carry high concentrations of iron.

What do chlorine stains look like?

Identify the Stain Testing the stain allows you to rule out algae, which can be treated with a sprinkle of granular chlorine. Metal Stains are dark and reddish-brown. These stains may look like rust but are usually caused by iron or other metals. Copper tends to turn the pool’s surface a turquoise or teal-blue color.

How do you fix chlorine stains?

Remove Chlorine Stains From: If stain remains, mix 1/4 teaspoon Rit Color Remover with 1/2 cup cool water. Sponge (the method of using light strokes with a dampened pad working outward from the center of the stain) the stain with the solution, and flush well with water. Chlorine stains are often permanent.

What’s the best way to identify a pool stain?

In most cases, the best way to correctly identify a pool stain is to use a stain id kit. For iron, you can try a simple test first with vitamin C. Hold a vitamin C tablet against the stained area for about 30 seconds and see if the stain gets lighter or disappears. If it does, you have iron stains and can use ascorbic acid to treat.

Why does my pool water have a purple tint?

How to ID Stains. Copper can stain purple as well when the cyanuric acid level is high. Manganese – found in well water in some regions, this metal can cause a purple tint to pool water and brown/black or purple stains on surface.

Can a pool stain be removed without acid wash?

The images below show pools that have had stains removed with our treatment without draining the pool or acid washing. Also, our clients did not have the additional costs of refilling the pool or adding new chemicals after an acid wash.

Why do I keep getting metal stains in my Pool?

Make sure to regularly test your water for metals, as the stains will keep coming back if you have a highly metallic pool. Remember, metals are naturally occurring and can be added to your swimming pool with fill water, or they may be introduced into the pool water through corrosion of your pool equipment or plumbing.

What was the black metal stain on my Pool?

Following some very poor advice from the pool shop, this customer shock chlorinated his pool which left a black metal stain all over the pool. Our on-site treatment restored the original finish and colour of his pool within two days. 3. Dark copper staining

Which is the best stain remover for pool?

Ascorbic acid is found in most stain and scale products and works great for removing iron-based stains. Removing copper pool stains Citric acid works similar to ascorbic acid but is more effective at treating copper based stains.