hiI'm not sure I understand your question. Are you saying because I have a passing interest in them I should build one and also name every brand?
i think you want to build automatic water change? if yes, maybe i can help this thing, but since i dont have lot of experience on Automatic Water change in the market for feature reference, thats way i try ask you to help list existing Automatic water change in the market including the features
the list of features will be used to determine how to build our DIY automatic water change
sorry to make you confuse