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Can someone teach me how to build a auto water change? Thank you and please!
being able to adjust the flow a bit for each independently is a plus.I've been doing waterchanges manually when I could be doing it automaticly! I'd love e to have an auto waterchange system going for my 80.
I'd love to so it but I doubt I have the space on my sr80. I don't have a sump and I barly had room for my auto topoff system.Its one of the best things ive done. I do 1gal per day on my 70g. Its about a 30% change a month.

