has anyone ever had one if so what did you think of it I know its a little pricey but it looks well designed and built I am considering getting one its this or a dos to automate my water changes I'm just worried about how much the dos will have to run to do 50g a week
http://genesisreefsystems.com/products/automatic-water-change-systems/
http://genesisreefsystems.com/products/automatic-water-change-systems/
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