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Green slime?

Posted by echobelly 10 (My Page) on
Tue, Sep 18, 12 at 9:45

I've got a crushed shell driveway, and with all the heavy rains we've gotten, a thick green slime is growing on the sunniest side of it. It looks like something that you see washed up at the edge of the ocean. It's very slippery. I keep raking it up, but it's back the next rain (daily). Is there something I can sprinkle on it that would kill it or dry it up? Nothing too toxic though, I have dogs (and squirrels and mourning doves).


Follow-Up Postings:

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RE: Green slime?

Bleach water sprayed on should do it and won't harm the critters as it is very quickly broken down.


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RE: Green slime?

use the outdoor clorox.....gel like clorox, used it when we pressure cleaned the house and painted, plants were fine....follow the directions........


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RE: Green slime?

I have found that borax (20 mule team at the laundry section of your store) works fantastic.

Our wooden deck had gotten quite slippery. I put the borax in a strainer and sprinkled it over the slime. Within 18 hours it was no longer slippery and it lasted for at least 10 weeks.

Pretty sure borax is much less toxic than bleach.


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RE: Green slime?

I sprinkled some diluted bleach on the slime yesterday with a watering can, but then we had a downpour, so it probably washed it away. I'll try the borax, but it's supposed to rain here till sunday, so I'm not sure anything will work right now. This stuff is a good half inch thick, a lot like seaweed, not the thin slimey patches you can get on a deck or walkway.


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RE: Green slime?

Bayer makes a moss and algae killer that works wonderful


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RE: Green slime?

It sounds like Nostoc cyanobacteria. Try spraying liquid copper on it if bleach didn't work. I also have some of it at my place.


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RE: Green slime?

slime everywhere here....once the temps break...bring out the pressure cleaner :)...m


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