Auto water change advice

[TLO45]

I’m debating going with auto water changes. However I’m not totally sure what direction I want to go. I’m curious what people are using for daily water changes , why you went with the system you did and if you have had any issues doing so?

 

[YOYOYOReefer]

been using litermeter 3 for auto water changes 20+ years
i think i have about a dozen of them they just work forever.