So it looks like we will be doing around 50% water changes every 2 weeks. We do those, and the fish don't mind them at all 
40-60% water changes every 2 weeks!
- Thread starter Bichirs man
- Start date
Depending on your bioload and how much you fluctuate water parameters, you could get away with a water change every 2 weeks.
IMO, its still best to change water every week at least. With a tank thats crammed full of fish like mine, i have to maintain a ~40% bi weekly water change regimen, even with massive filtration.
Given your tank is lightly stocked, you do not overfeed, you maintain the tank properly and your parameters do not swing per water change it may be alright. BUT, i reiterate weekly water changes are safer on the long run.
IMO, its still best to change water every week at least. With a tank thats crammed full of fish like mine, i have to maintain a ~40% bi weekly water change regimen, even with massive filtration.
Given your tank is lightly stocked, you do not overfeed, you maintain the tank properly and your parameters do not swing per water change it may be alright. BUT, i reiterate weekly water changes are safer on the long run.