Two words: Trickle Filter. These devices devour Nitrate and becuase you live in a nice warm climate, you should find a decent sized TT works well.
Another possibility is a Baki shower system which also .
There is quite a bit of information on this forum regarding TT's and plenty of information available elsewhere too.
Alan.
Posted on Oct 12, 2005, 2:13 PM from IP address 213.120.101.21