A Filter/Generator. It's basically a filter that uses electricity like all normal filters. But...as the water flows out of it, it turns a wheel that makes more electricity to run all your other filters and heaters on.
Those are some pretty good ideas, how about a canister filters that have battery packs that turn on in the event of a power outage. I know some have self priming but if the power is out for a long period I think this would be useful.
^ I think they have that, mainly used in marine aquarium, where all the data is sent to your iphone to give you the current water parameters anytime you want.
^ I think they have that, mainly used in marine aquarium, where all the data is sent to your iphone to give you the current water parameters anytime you want.