Is my roof ready for solar?

[PhilT]

@phb added a worthwhile comment in another thread, relevant here.

Outdoor Cleaning Products

The active ingredients for Wet&Go and 30 Seconds are different…they are outlined in the MSDS for both products: Wet&Go: 30 Seconds: The active ingredients for both products contain compounds which are highly detrimental to aquatic biota and applying these chemicals to outdoor surfaces exposed to the weather increases its risk of being washed into local waterways. The concern is that the average punter possibly won’t understand the ramifications on not using the product wisely and mis…