Cleaning Solar Panels With Hard Water

If your mains supplied water is hard mineral rich and rainwater is available.

Cleaning solar panels with hard water.

Hard water is water that has a high mineral content in contrast with soft water. Of primary concern for hard water spotting on solar panels is the combined levels of magnesium and calcium. How to clean solar panels with water and a soft broom. A maximum difference of 20 degrees is acceptable.

The most effective way to clean your solar panels is with a hose and a bucket of soapy water. You do not have to clean the wiring underneath. Look for a soft brush and start cleaning your modules with the water mix. Many times solar panels are located in hard access points on the roof and are complicated to perform regular cleaning.

A solar panel cleaning brush features extension poles that allow you to effectively clean the modules from a safe distance either on the ground or on. Simply use clean water and a cloth covered sponge or soft plastic brush. There are special washing brooms to buy with telescopic handles. When and how often to clean your solar panels.

Leave the modules to dry over 30 45 minutes and turn back on the dc disconnect switch. The grater the difference between the water and the solar panel the greater the chances of the glass cracking due to a sudden temperature change thermal shock. Show extra caution if cleaning your solar panels requires you to climb up on the roof. Because you don t want to scratch the panels in any way it s best to use just water and a non abrasive sponge to apply soapy water.

Clean the surface of the solar panel with a soft cloth or sponge. Given the nature of good quality solar panel glass clean water and a little scrubbing with a coarse cloth covered sponge or soft brush should remove the most stubborn grime. The essential solar panel cleaning tools are brushes intended for modules. Hard water is generally not harmful to one s health but can pose serious problems in industrial settings and when applied to solar panels.

The temperature of the water being used for cleaning should ideally be the same as the solar panel temperature at the time of cleaning. Soaps can leave a film or residue that not only shades panels like the dirt that was just washed off but it can also encourage dirt to stick and build up faster said daniel green bland. Essentially in the same manner you would wash your car at home. After all modules are soaped remove the soap with a low pressure hose.

A soft household broom is great to use to gently scrub away persistent bird droppings from the solar panels. Rainwater is low in mineral content but some people have hard water or mineral rich water from the tap. Use that as a final rinse. Plastic scourers may also be used.

Gather some distilled water and mix it with a little dish soap just a little. Fill a bucket or spray bottle with warm water and soap no other special equipment is needed.