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Copper wire to deter algae in ponds
On 2014-03-07 11:29:08 +0000, Martin said:
On Fri, 7 Mar 2014 08:51:48 +0000, Sacha wrote: On 2014-03-06 23:00:17 +0000, Martin said: On Thu, 6 Mar 2014 17:07:44 +0000, Sacha wrote: On 2014-03-06 15:53:23 +0000, Martin said: On Thu, 6 Mar 2014 15:34:45 +0000, Sacha wrote: In The Garden of Evening Mists, the woman learning from the Japanese master is set to making balls out of copper strips. These are thrown into the pond and sink. He tells her this is to deter algae. Has anyone ever tried it and I wonder if it would work on the accursed duckweed? The Dutch used to put powered copper electrodes in the water of their large boat houses to reduce weed. It's probably banned now. There are no fish left in the IJsselmeer because either a) Over fishing - government version. b) The water is too clean, so no food for the fish to feed on. Fishermen's version. There is going to be a three year ban on fishing. Bit like putting copper on the keel of a boat to deter barnacles etc., I suppose. and copper based antifouling. Is that what's been banned because it damages sea creatures? Only by the Dutch in inland waters. Antifouling containing TBT is the chemical that is banned everywhere. Ah yes, that's what I was thinking of. I'm not sure what the situation is with commercial boats/ships often they are excluded from this sort of ban. No idea how much it's used nowadays. I just knew it had been used to protect the hulls below the waterline and to deter weevils, barnacles etc. -- Sacha www.hillhousenursery.com South Devon www.helpforheroes.org.uk |
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