melev

When I set up the 400g, I had plans to make the water changes something less involved. I bought a high-end dual-head dosing machine, with the goal to automate water changes during the night on a regular basis, but I had trust issues with such a device and never got it fully installed.

Over the past 15 months, when I needed water from the 265g poly tank, I used some spaflex tubing, pointing it into the sump's return zone and then opened a valve to refill what was removed. That section ...