WE've had both the electro-scan, the older lectra-san, and now the purasan
All three have proven to be easy to maintain and rock solid reliable.
Yes, you can use a salt feed for the electro-scan but since we use potable water for the heads on our boat we use the Purasan. The tablet takes all of two minutes to replace, and again the unit has proven itself over time to be very reliable.
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