Why Pressure Washing Fails on Black Spots

from The Mark Cave Soft Washing Podcast SoftWash UK · host Mark Cave

Learn why high-pressure cleaning can damage sandstone while leaving lichens alive, and why chemistry beats brute force for removing black spots. The episode also covers surfactants, sodium hypochlorite dilution, and essential safety steps for protecting plants and surrounding surfaces.

Episode metadata supplied by the publisher feed · Published Jul 8, 2026

Embed this episode

Attribution link and audio player

Ready to play

Why Pressure Washing Fails on Black Spots

0:00 4:16

1×

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

Share this episode

Similar Episodes

No similar episodes found.

Similar Podcasts

No similar podcasts found.

Frequently Asked Questions

How long is this episode of The Mark Cave Soft Washing Podcast SoftWash UK?

This episode is 4 minutes long.

When was this The Mark Cave Soft Washing Podcast SoftWash UK episode published?

This episode was published on July 8, 2026.

Can I download this The Mark Cave Soft Washing Podcast SoftWash UK episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.

URL copied to clipboard!