You found thread from 2007 and started posting on it, making others think it's a recent post.
I do 50% weekly on my 250 gallon. I have the hot and cold plumbed above and a drain underneath so its easy. To start the siphon I just open 2 taps and
@ Tanker. That is my thought on the water as I believe in fresh water.
I was hoping for two week changes however one week smaller is easier
Yes! It does depend on how much you feed and stock. The temperature is 82 degrees. I feed lightly by hand twice a day so there is minimal waste. My
That is where I will look Amazon seems to get everything these days.