Which water test kit?
I'm seeing references in this sub, to a water test kit (as opposed to test strips, which I ordered but will return to amazon). I went onto Petsmart's website and saw quite a few examples. Is this the one folks here would recommend for my freshwater aquarium? I would prefer to buy one kit that has everything, instead of separate kits that test only one thing: https://www.petsmart.com/fish/food-and-care/water-quality-testers/api-freshwater-aquarium-master-test-kit-17465.html
Is there only one factor I need to test for? See my previous thread for any issues I might have: https://www.reddit.com/r/AquariumHelp/comments/1ulmr6x/at_what_point_does_it_make_sense_to_do_water/