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stmbtwle

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Reply with quote  #71 
No I'm not.  but as I said it's a subject for a different thread. 
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Willie, Tampa Bay

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Reply with quote  #72 
Took the little road trip today around our M25 (as immortalised in the song "The Road To Hell" [smile] ) and off to the south west on the M3. This is our Bank Holiday here so the traffic was fun coming back!

Picked up the 3 EV panels from a kind soul on another forum here. They're cleaning up alright though moss does seem to lodge. The reflective zinc backing sheets were particularly begrimed with algae as were the rear of the tubes.

Our of interest I shoved a thermometer in the outflow pipes of my little home made one and a cleaned EV panel. Ambient was around 12degC. I was seeing 37degC on mine and 57deg on the big EV one. I wonder what my design of an equivalent size would do?

Rough plan is to get these donated panels on the roof asap as much to protect them as anything else! Then I need to figure controls and how to plumb into my existing set up.


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Rick H Parker

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Reply with quote  #73 
"moss does seem to lodge"

2 to 3 cups Chlorine Bleach or White Distilled Vinegar to 2 gallons of water. Spray on, let sit 45-60 minutes.
Lightly scrub with a soft-bristle brush, then rinse with water.

The mild acids will eat away the roots that has a foothold on the surface.

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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
Rick H Parker

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Reply with quote  #74 
"A bit of dishwashing liquid in the mix helps it "stick"."

The way I recall it is,  the soap breaks the surface tension of the water, then it will will spread instead of balling up.

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Rick H Parker
Kansas, USA
Electronics Engineering Technologist
Onoff

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Reply with quote  #75 
Quote:
Originally Posted by Rick H Parker
"moss does seem to lodge"

2 to 3 cups Chlorine Bleach or White Distilled Vinegar to 2 gallons of water. Spray on, let sit 45-60 minutes.
Lightly scrub with a soft-bristle brush, then rinse with water.

The mild acids will eat away the roots that has a foothold on the surface.


Thanks. I knew that unused garden sprayer (for keeping grinding dust down indoors) I bought would come in handy!
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