Tank stats are
I use 100 rain water (tap water sucks here)
ph 7.2
temp 28
I dont know what other stants you want

What are your tank stats?
Although some people might think of this as pretty "ghetto", I've always used an old credit card to scrape off the algae/film on the sides of the tank. It doesn't scratch the glass and works like a charm.
Tim, my parents have a 10000 liter tank, it is winter so it's full and even in summer never drops below 3/4
Tank/rain water stats are
our rain water here is soft (i think all rain water is
ph 7.2
amonia 0
nitrate 0
nitrite 0
I keep angels and rummy nose tetras