I'm in NY, where swampers simply don't work. We do have humidifiers for the
winter, which face similar problems. The ones which have fill only, load up
with minerals bacteria, and so on.
Aprilaire has a model with a flow through evaporative pad. Much of the water
drains out the bottom. Not a big concern, as water is plentiful and
inexpensive. Sure cuts down on maintenance.
Sounds like the water drain for the swamper will sure make the maintenance
easier. Now, the OP is still left with the question of how to remove the
scale from his unit.
Christopher A. Young
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I don't have a suggestion for removing it, but to avoid it in the future,
install a tap kit (I forgot the exact name they use) . It takes a small
amount of the circulating water and dumps it out onto the lawn. This allows
the chemical concentraion in the system to reach an equalibrium level where
the concentration of chemicals does not go up indefintly. Without the tap
the water and all the chemicals goes in, the water evaporates and ALL the
chemicals remain in the cooler.
If you set up the tap so say 10% of the water is dumped and 90% evaporates,
then the concentration will go up to about 10x but no higher.