One Shot 1S-CSPC Solar Panel Cleaner Concentrate - Makes 32 Gallons, 1 Gallon

Did a really good job of cleaning my solar arrays. Need a good pole mounted scrubber, got one from one of the big box stores.

I have 12 solar panels in need of cleaning. I purchased this Solar Panel Cleaner Concentrate and being that this is the first time I am attempting to clean the panels I first followed the manufacturer's instructions that are printed on the bottle. They say to simply spray on the concentrate and let the panels dry to a nice clean shine. No, this left only a muddy mess on the panels. The method I used that gave me the best results are:1. Using your garden hose spray the solar panels to remove most of the built up dust and dirt.2. Spray on the Solar Panel Cleaner Concentrate using the included container attached to your garden hose. This will cover the panels with a rich foam.3. Use a long handled window cleaning brush with a soft microfiber brush to gently scrub the foam covered dirt.4. Lastly, use your garden hose again and rinse the panels with plain water.The end result was very clean solar panels, and with no water spots.

I have previously used a bucket and sponge brush. I tried this last time. Really cleans my solar panels. Far less effort too.

Do not waste your money or time with this. The bottle broke when there was the slightest bit of tension on it while I was on my roof so I had to hold the bottle together with my hands. It’s definitely not streak free and actually left my solar panels dirtier than they were before. Now I have to go buy another product and do it again. DO NOT BUY!

Easy way to clean panels. Has all the nice pressure to clean. Fist water the panels, then use product, clean with squeegee or clean cloth, and bamb, nice DIY project. Saves $. They charge me about $200 to $250 to clean, with this DIY, saves some cheese. Do recommend.

Pro is it seems to clean and dry spotless. Con - the spray is very weak for wetting (2') and only slightly better for soaping (4'). Not useful to clean solar panels. Also in my delivery the container was soapy so that the label was detached and there was a wet spot on the carton. Surprisingly the (inadequate) brown paper padding was not wet so possibly the container was put into the carton wet / soapy?

I bought this so I could spray my solar panels. They get dusty and dirt, clean to them about once a month. The sprayer is very handy as you knock it on your hose and use it to spray the solution and as a dial where you can switch it over to water only to rinse. With the good water pressure, it shoots considerably far and is handy because you don’t have to change hose ends.

Great stuff easy to use, has a switch to spray the cleaning solution onto the panels and then a switch for just straight water to rinse.

It would be great to obtain this product again! Have ordered it and delay upon delay. Its just really good!