Copper Sulfate In Pool Water

Copper sulfate pentahydrate crystals powder or liquid are the most convenient ways to handle copper sulfate when cleaning gardens pools or drains.

Copper sulfate in pool water. No one will guarantee that the resulting compounds will be loyal to your skin. Copper sulfate otherwise known as bluestone is sometimes used in swimming pools as an algaecide. The derr s were determined to figure out what happened. Therefore it should not be used as part of your regular pool chemical treatment.

Copper sulfate dissolves well in liquid which is what makes it such an effective cleaner for pools and reservoirs. The american journal of public health recommends using copper sulfate in swimming pools only as a method to control growth of algae. Even if you have carefully measured the required amount it does not guarantee your safety. Copper found in swimming pool water is common for pool owners as there are many sources for copper to find its way into your pool water and water naturally can hold a certain amount of dissolved copper.

One part per million of copper in drinking water is quite safe and 0 5 parts per million is enough to control green algae in swimming pools. Unfortunately i don t see a good alternative to dumping 3 4 or all of the pool. Most copper sulphate contains around 20 25 copper so a 50 000 liter pool would require 100 120 grams copper sulphate if the pool is green i would give a once off double dose. The fact is that copper sulphate actively reacts with many substances that are contained in water.

Copper based algaecides and algaestats are the commonest source of copper salts for pools but copper sulphate is also a preventative treatment and an effective cure for many algae attacks. You ideally do not want any copper or any other metals in your swimming pool water since this dissolved copper can very easily come out of solution and cause ugly stains in your pool. Copper sulfate for water purification in the pool is a folk art far from the safest. It s also much cheaper than proprietary chemicals.

You may be quick to blame the chlorine but the culprit is typically dissolved copper in the pool water. A liter of water weighs a kg so 0 5 16000 0 00003125 or 31 25 ppm. Copper can enter the pool in many ways including when you add water. Copper sulfate is 25 copper so your copper concentration is almost 8 ppm about 4x what is considered safe.

Copper salts react with chlorine to produce cupric oxide and and may cause grey black stains on pool surfaces. This is not a matter of concentration. By properly assessing the swimming pool s alkalinity you can add the appropriate amount of copper sulfate to a swimming pool to control algae growth.