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Help or Advice >> Water, cisternas and so on >> green water in balsa
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Message started by Emma on Jun 30th, 2007 at 8:48pm

Title: Re: green water in balsa
Post by Nigel on Jun 30th, 2007 at 10:04pm
If the black things wriggle and have a tendancy to float to the top then they are Mosquito larvae. Put some washing up liquid in the water. This will break the miniscus and they'll drown as they use the surface tension to support themselves.

For the green you could put in antialgas - really meant for swimming pools. This is an algicide and should help to kill off and keep the algae at bay.

I assume you have one of the floating dispensers for your chlorine. These do help to keep the water clear but the tablets do dissolve very slowly.

Your best option will be to use up all your water and then get into the balsa and give it a thorough clean out with bleach - if it is fed by rainwater then it'll probably have an accumulation of decaying vegetation in it that will quickly turn the water green.

Nigel


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