"claude rogers" wrote:

When you guys top off your ponds from evaporation, waterfall spillage and
"splashage" Water changes, etc.
How do you determine how much water by gallons I guess you are putting in.

SWAG. Silly wild ass guess.

Since we only have plain clorine around here, I only worry about when
doing large (20%+) changes.

It is a squirt from a bottle, the bigger the water change, the bigger
the squirt.