On Sat, 7 Apr 2007 14:25:32 CST, ~ jan wrote:

I'm keeping with my once/week changes, which seem to have worked for
me water chemistry-wise. But if your tap water is good and the chemistry is
always wonky, perhaps a flow thru would work? ~ jan

Thanks, I found an article on that:
http://www.koivet.com/html/articles/..._term=overflow

I dismissed it as too much work, but I'll take another look.

Regards,

Hal