Originally Posted by thekinetic
The light is on quite a while(about 5-8 hours) but it varies. There is a guppy and six neons so it is far from overstocked. I feed them twice a day in smaller amounts.
As for the water changes and vacuuming, well I'm actually an old hand at keeping fish and from my experiance it is not good to do changes on so often a basis due to it being important to keep the water stable. I vacuum and change the water when I change the filter which is every 3 weeks to a month.
Honostly it hasn't affected the fish in the least, as a matter of fact they seem to be more active now. It's really just an aesthetic sort of eyesore that takes away from the fish's beauty.
Thinking has changed a lot over the years. The hobby has made significant advances in the science and understanding.
First, feeding adult fish (i.e., not fry which need more) once a day is sufficient, and then missing a day (the water change day) or even two a week won't hurt.
Water changes should be every week, there is plenty of scientific evidence on this. I'm not going to spell it all out, as I just finished an article, so please have a read:
Green water won't hurt fish short-term, but it is a sign of something wrong biologically. And that is bound to take its toll in time.