the Aquatronica does have some advantages over the Neptune in that it is more flexible and easier to install multiple probes and manage multiple tanks. I was a bit shocked when i got my ACIII Pro and it could only handle one tank. Now there is an add-on to run more probes but I definitely think it is worth checking into. The downside would be service where with the Neptune you can call Curt and get immediate help. He is a really good guy. I just think the Neptune product is a little behind in some areas.
Don't forget about the Tunze rocks!
