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Nostoc is a colonial cyanobacteria (blue-green alga) slime which swells up into a jelly like mass when wet.
Nostoc is a colonial cyanobacteria* slime which swells up into a jelly like mass when wet. It is bluish-green, olive green or brown when wet but in dry conditions it becomes an inconspicuous, crisp brownish mat.
*Blue-green alga, which is not the same as the green alga you might get growing on paths and fences.
Kills a broad range of stubborn weeds to the root, fast! See visual results in just 2 hours.
Kills moss, liverworts and algal slime in lawns with visible results in just 7 days.
Quick and effective organic control of a wide range of weeds, clovers, algae and mosses. Non-Glyphosate.