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Marc Levenson wrote:

I would imagine the most concentrated part would pour out the bottle first, and
a weaker solution would drip out as it is needed.
Something like diffusion?
Kalkwasser is well mixed, so there is no more or less concetrated part
in bottle.
Marx

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Yes, that is what I was thinking. Even when Kalk is mixed up and left to settle, the
liquid I've added to my top off container ended up leaving a white dusting in the
container and where it poured into my sump.

That is why I would have expected more to settle to the bottom (the opening) when you
first insert it into your sump, and the stuff near the top would be less condensed.
That is merely my theory, and I can't prove it.

You could! :p Do your normal thing, then invert it into the sump. Put your thumb
over the hole, lift it out, and let a little bleed into a clean cup. Test the pH.
Reinsert your bottle, and when the bottle is closer to finished (24 hours later?),
put your thumb over the end, and pour that into a clean cup and test for pH. If the
second reading is lower, I'm right. If it isn't, we'll know for sure finally. :)

Marc


Marx wrote:

Marc Levenson wrote:

I would imagine the most concentrated part would pour out the bottle first, and
a weaker solution would drip out as it is needed.
Something like diffusion?
Kalkwasser is well mixed, so there is no more or less concetrated part
in bottle.
Marx

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Marc Levenson wrote:

You could! :p Do your normal thing, then invert it into the sump. Put your thumb
over the hole, lift it out, and let a little bleed into a clean cup. Test the pH.
Reinsert your bottle, and when the bottle is closer to finished (24 hours later?),
put your thumb over the end, and pour that into a clean cup and test for pH. If the
second reading is lower, I'm right. If it isn't, we'll know for sure finally. :)

Good idea, will test and post results
And i must think about better sysytms beacuse I try to go to holidays :)
M.

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Dinky wrote:
"J Codling" wrote in message
ink.net...
| I don't think you will get cheaper than this:
|
|
http://www.inreef.com/xcart/customer...cat=294&page=1
|
|


But will this work in a gravity-feed system? It mentions a working
pressure of 40psi.


You can barely see in this picture what I use. it is an all plastic
float valve rated to 40Psi as well, I have about 60 gallons of water
sitting against it and so far 3 months no problem at all. before that I
had a float from an evaproative cooler in there but the brass rod
worried me, copper and all.

Rex
http://www.purple-viking.com/90gallon/Stand/Stand7.html