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NFC: Re: DP under gravel filter gravel depth



Hi All,

I have always used about 2-3 inches of gravel over my plates.

Norm

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----- Original Message -----
From: <CEFCHURCH at aol_com>
To: <nfc at actwin_com>
Sent: Thursday, September 30, 1999 7:23 PM
Subject: NFC: DP under gravel filter gravel depth


What is the most effective depth of gravel for using an underground filter?

TIA

Chuck Church
CEFChurch at aol_com
Indianapolis, Indiana 46206-2067
USA

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