Are water changes really necessary?
Thanks, Steve. 30 years is a long time, so you must be doing
something right. Do you have fish in there?
Joan
I have had a small stone and clay pond in my garden for nearly 30
years. Some of the water is "changed" every time it rains because it
has an overflow. Occasionally I scrape the leaves off the filter inlet
but that's all I ever do.
Steve
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