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Re: Aquatic Plants Digest V2 #814
On 07/05/97 at 03:48 p, Aquatic-Plants-Owner at actwin_com (Aquatic
Plants Digest) said:
> The RO unit is then left running all the time dribbling fresh
>water into the tanks very slowly, causing a slow overflow into the
I first described this system in the late sixties. I called it
continuous washing. I was thinking of a rate of water change of
about 10% per day, so the water would be on the average about 10
days old. One trick is to use a water level regulating siphon and
a high-water-level alarm in case the siphon fails. Both of these
are cheap. I was going to Tyndallize the water, but RO makes that
>The RO unit probably cannot operate quite that slowly
Sure it can, slow flow is what it is all about.
>Water chemistry would have to be adjusted by weekly chemical
>additions or by a dosing pump, but overall this sounds like water
>change made hassle free for me and stress free for the fish.
Depending on your local water no adjustment may be needed. Or only
a bit for the plants.
>Am I overlooking some potential problem that will be cause for
>regret if I proceed in this fashion?
I never did one, but it sure seemed like a good idea to me. --
Dave Gomberg, FormMaestro! http://www.wcf.com
gomberg at wcf_com
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