Quote:
Originally Posted by Stylo
This all works just fine except for the stones keep getting green slime. I have just emptied the whole thing and am cleaning the stones before geting this all setup again. Any suggestions as to how I can keep the green slime away? My thoughts so far:
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Perhaps when the weather forecast is for hot, dry and low humidity, switch the waterfall off, let the area dry out for a day or two, long enough for the algae to dry out and die.
If you are a dab hand with calculating a safe ppm dose of copper sulphate and mist spray to damp the area of the drying algae only, leave it to soak in for a couple of days, that would really decimate the algae coating. Copper sulphate turns to inert copper carbonate after a couple of days.
The dried out cotton like debris would probably blast away easy with a harsh mist spray
Regards, andy
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