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Mould on solar panels
Hi everyone,
I have a solar hot water system and notcied today that there's a lot of mould on the solar panels. It's been a cold and wet winter in Melbourne so I guess it's built up over the past few months. I'm not too keen to get up on the slippery terracotta tiled roof to clean it, so was wondering if anyone knows whether the mould will be burnt off as the weather gets warmer or whether I will need to clean it otherwise it will affect the effeciency of the panel. Any advice appreciated.
Tony
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Re: Mould on solar panels
Update on this: I had a quote for a new system and the hot water specialist said there was no need to clean the panel as the capacity of the panel far exceeded the storage capacity of the tank. ie it was overkill and being a little bit less efficient wouldn't matter.
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Re: Mould on solar panels
Was surprised to read this morning of solar panels bursting due to the cold weather in Melbourne over the weekend - http://www.theage.com.au/victoria/melbournes-frosty-winter-blast-sees-solar-hot-water-panels-burst-a...
Anyone had the misfortune of experiencing this?
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Re: Mould on solar panels
Hello All , The mold is a very common black mold and very damaging to Solar panles as it causes hot spots and of course decreases efficiency , we see it often in winery installations and have battled it for 35 years , Its interesting reading all the posts as this subject came up recently in our buisness , we are working on and modfying our coating used to change a surface mold grows on and will keep you informed , from trials on surfaces externally it will keep buildings and tank free of mold for periods of 6 + years and it has a built in feature to help address water staining which is another probelm for panels
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Re: Mould on solar panels
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Re: Mould on solar panels
Finally got up on the roof this weekend and cleaned the panels as it was clear it was only going to get worse, not better. Pretty happy with the results. Might get up again next weekend and give the panels a once-over with a microfibre cloth just to make sure there's no smearing left.
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Re: Mould on solar panels
What did you use to clean them @AHoy? It might help @Mick2 who had a similar problem here - https://www.workshop.com.au/t5/Outdoor/Best-way-to-clean-solar-panels/td-p/21400
Thanks,
Jason
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Re: Mould on solar panels

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