Benn,

            Ouch, that looks like quite a job.  Definitely looks like an airgun/airbrush job, probably acrylic.  After the cleaning, put up a wildlife camera just in case.

Bill


On 9/9/2018 1:27 PM, Benn Kilburn wrote:
Bill,
It’s white, does that help? ;)
Kidding aside, I couldn’t tell you precisely what type of paint they used. These are CSI mods and their manual doesn’t mention using anything other than water and a “gentle cleaning implement” (soft sponge, for example). I have seen some module manuals mention using a mild soap.

I’m going to see what Canadian Solar suggests but this group is always worth checking with.
IMG_3152.JPG
Benn Kilburn
SkyFire Energy
780-906-7807

On Sep 9, 2018, at 9:32 AM, frenergy <frene...@psln.com <mailto:frene...@psln.com>> wrote:

Help us with this Benn.  Are we talking spray paint, airgun, acrylic, crayon, lipstick......?  Recently, due to not having any rain for 3.5 months in  smokey with ash No. California, I referred to the REC website for cleaning PVs and they didn't suggest anything stronger than  a solution of "/a mild biological and biodegradable washing-up liquid may be used on the panels/".  They did go on to say for stubborn areas that 10% iso-propyl alcohol could be used.

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
On 9/9/2018 6:55 AM, Benn Kilburn wrote:
Hey everyone,
Do any of you have experience removing graffiti from solar modules?
Any tips for do’s and dont’s?
Thanks

Benn Kilburn
SkyFire Energy
780-906-7807
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