Yes you can upgrade, I don't really think I would simply because the drivers cost $91 and for the price of two of them you could almost get the 7095 which will have a program called Interval II which is like tide mode on the present controller but the pumps that would be off on the current tide mode just idle at 30% of power so you get a imilar protetion and I think it is money better spent. We are also working on a mechanical shutter system which hopefully will be out next year and that will be much cheaper- likely under $20. Fish Care was a feature we added when we upgraded the drivers specifically so the 6200 could be built. It had to be redesigned to better dissipate heat and handle more current. We just figured we would add this program while we are at it but there will be other options later to do the same thing.