Aquaponics Digest - Mon 11/29/99

Message   1: Tanks different size cause problems

             from "JAY MYERS" 

Message   2: another thought re sump

             from "JAY MYERS" 

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| Message 1                                                           |

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Subject: Tanks different size cause problems

From:    "JAY MYERS" 

Date:    Mon, 29 Nov 1999 21:25:30 -0700

Paula

System set & test run, but our tank is 14.5 Ft diameter, so our float

switch never gets low enough to shut the pump off.  The grow beds get wet,

drain, and the return pump kicks on and all keeps running.  Problem is with

30 gal bed drain sump, and the return pump flow being restricted by the

drilled cap, the sump overflows and I guess would continue to do so until

the fish tank level would get low enough to shut down the pump, but then

there would not be enough water in the system to raise the fish tank to

re-start the pump.   So..... was thinking about putting the fish tank pump

on a timer to run say 1 minute out of 10, or 2, or whatever.  Could you

tell me about the percentage of time your pump runs ?

Do your grow beds get wet all the way to the top ?  Mine seem to wet only

near the bottom, and then drain.  I'm adjusting the holes in the cross

pipes to give more even flow, which may help, and to be fair - I've only

been able to run for short periods of time due to the above.

I'm close  -  just the tweaking to do !

Thanks

Jay Myers

Panama City, Fl.

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| Message 2                                                           |

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Subject: another thought re sump

From:    "JAY MYERS" 

Date:    Mon, 29 Nov 1999 22:11:20 -0700

Maybe another way to skin the cat is to increase the sump size to 150 - 180

gal.  Assuming your tank is about 6' dia, and your cycle depth is about 8",

that's about 141 gal.   Mine is 842 gal for an 8" cycle, so...5.9 times

volume, so...  your muck bucket is 30 gal, so mine should be 5.9 X 30,  or

about 180 gal ???   Make sense ?

Jay