Green slime?

echobellySeptember 18, 2012

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).

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bamboo_rabbit(9A Inverness FL)

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

    Bookmark   September 18, 2012 at 12:40PM
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wallisadi

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

    Bookmark   September 18, 2012 at 6:57PM
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thonotorose

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.

    Bookmark   September 18, 2012 at 10:29PM
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echobelly

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.

    Bookmark   September 19, 2012 at 9:30AM
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starryrider(9)

Bayer makes a moss and algae killer that works wonderful

    Bookmark   September 19, 2012 at 12:26PM
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CalusaMarc

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.

    Bookmark   September 27, 2012 at 2:48PM
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wallisadi

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

    Bookmark   September 27, 2012 at 5:31PM
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