Hi, I have one in a 60cm fish tank, are they better kept in pairs or own their own?

Hi has anyone had any experience using on of these systems and if it is any good?

Can be found on http://urmstonaquatics.com/plants_co2.html

Is there anyway to reduce conflicts? what causes them, i thought they were timid fish?

Hi, I have 3 Clown Loach's in my Juwel Rekord 120 Fish tank, one is about 12 years old and i moved him from my other fish tank to this one then got two mates for him... These were only small but one is still about 2 inchs the other ones shot upto about 4inchs so only about .5 of an inch smaller then ...