I've been wanting to set up auto water changes for a while now, but before I buy the X2SR I can't figure out how I'm going to set it up.
If worst comes to worst I'll just make it drain and fill simultaniously.
I would preferably take the most efficient option and drain directly from the sump...
My Kamoer X2SR is currently exchanging 1% of my total water volume daily. This equates to 6 liters out of my 600 liter system, removed in 1 liter increments 6x per day. The method used is first out, then in. With this 1 liter volume I can leave the apex and aquarium running without shutting...