Hi, yes the parameters are tested twice daily, it's a large rack system, it only houses zebra danios (different strains, but all Danio rerio).
The rack system we use looks like this:
sorry it's not a great picture, but it should give you an idea of what i mean by a rack system. I'm working on getting the picture of the fish himself to check if anyone's seen anything like it and if i need to worry about my whole stock of fish getting contaminated. I'll post the picture as asoon as i can.
20gH Planted tank, 5g Planted tank
1 Crested gecko who has a 60g Hex paludarium in the works
2 Dogs, Leo an 11 year old Bichon/poodle mix, and Cody, a 3 year old Poodle.
I enjoy having a zoo to care for!