ok thanx guys, im a newbie to having a fish tank, i do a water change every 2 weeks, is this not enough??? i have a 35L tank and about 10 neons and 4 guppies in there.... and cant forget the 40 snails.......lol the tank always looks clean, i vacume the gravel evry 2 weeks also...... guess ill c how the lettuce goes
thanx alot
jess
thanx alot
jess