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Re: [APD] Fertilizer Dosing Pump
----- Original Message -----
From: <aquatic-plants-request at actwin_com>
To: <aquatic-plants at actwin_com>
Sent: Saturday, August 20, 2005 2:00 AM
Subject: Aquatic-Plants Digest, Vol 24, Issue 26
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> > Message: 1
> Date: Wed, 17 Aug 2005 13:28:34 -0400
> From: "David Grim" <grim1214 at bellsouth_net>
> Subject: [APD] Re: Fertilizer Dosing Pump
> To: <aquatic-plants at actwin_com>
> (Scott wrote)
>> Message: 4
>> Date: Wed, 17 Aug 2005 06:06:31 -0700 (PDT)
>> From: "S. Hieber" <shieber at yahoo_com>
>> Subject: Re: [APD] Re: Fertilizer Dosing Pump
>> To: aquatic plants digest <aquatic-plants at actwin_com>
>> But the flow rate minimum is not critically important, no?
>> Can't one accomodate the rate of flow by diluting the
>> Scott H.
> Hi Scott,
> No, not critically important in a large tank at all and you could dilute.
> Remember, I was wanting to dose a small volume of ferts in a small tank.
> I figure if I don't have to dilute the TMG with this setup, then why
> I? With these APT pumps I just keep a small reservoir of TMG in a
> container and when it gets low I throw some more in. One less tank chore
> do. And I go weeks between having to top off the reservoir under the tank
> with pure TMG. I'd be doing that much more often with a dilute solution.
> The only other peristaltic pump I looked at seriously was an Aqualine
> single dosing pump, the SP 3000 but that had a minimum volume delivery of
> three liters an hour. This one is usually $90-$100 mail order. Nice unit,
> but too much volume for a small tank IMO
> But more than that, if you look at the price of peristaltic dosing pumps,
> new from manufacturers (excluding resells from ebay), like the Litermeter
> and Reefdosingpumps.com, most cost more than the two pumps I bought
> combined. Bare minimum with no plastic enclosure and you supplying the
> you can buy these APT pumps for $59 each new.
Thanks for this information, the APT pump looks like the best option, added
to an electronic timer (which are available with in built battery backup)
best thing about these pumps are that they are available in 240v 50Hz.
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