Hi I am thinking of making my Juwel vision 260 (260 litres) into a Malawi tank
However I work away for 2 weeks every month so home for 2 week then away for 2 and so on.
I usually do a water change (around 40-50%) on my 2 tanks (the other is a Juwel rio 300 (300 litres) just after coming home...