JIMMIE wrote:
[snip]
Circulators and filters are not practical solutions.
[snip]

I'm curious: please tell me why this isn't a practical solution.

TIA.

William

--
A little learning is a dang'rous thing;
Drink deep, or taste not the Pierian spring;
There shallow draughts intoxicate the brain,
And drinking largely sobers us again.
-- Alexander Pope, Essay on Criticism