On 2006-11-17 10:33:17 +0000, "Christian McArdle"
said:

In both cases, brine metering is by the level of brine in this
tank, which can be adjusted. In both cases, it makes a
saturated solution, so I don't think the brine quantity has altered.

The issue is that the undissolved block salt, tablet salt and granular
salt will all displace a different amount of water when sat in the
tank. This displacement might also be more or less variable. Block salt
will displace a pretty much constant amount of water and provides the
best level metering. Granular salt will be quite variable in the amount
of water it displaces.

I'm not saying that it matters particularly critically, but there is a
difference.

Christian.

OK, I see what you're saying....