I think some of the testers aren't for my needs, but they may make those really expensive ones, like the $200 ones for nitrates and stuff like that.
The only three that are handheld and small are the ones I have. But if theres another one you're looking at link it! lol
180g- Mostly BIG fish and some coral. ~80g Nuvo- My coral tank with "happy fish"~ 90g- FOWLR Not the not happy type of fish~ 125g- Freshwater Malawi Cichlids ~10g- Nuvo- The refugees from the Ich of '18