Im thinking about getting an Aquacontroler Jr. for a new saltwater tank i am setting up.. i am thinking of getting this to save time on testing my water parameters... Any advice for me about these? Which has worked good with you? and any suggestions? im looking to spend under 300$ and the tank is only 55G, but hey i can always just switch it over to a bigger tank sumday! Is an aquacontroller really worth it in the long run? Thank you MFK'ers!