Comparing API Test Kits - Freshwater vs. Saltwater

What test kits should I buy for my aquarium or planted tank?

PetSolutions: API Ammonia Test Kit

API pH Test Kit - Freshwater (Special Order Product)

Frank Bonnici (@frank_bonnici) / X

API Ammonia Test Strips for Freshwater and Saltwater Aquariums - Pet Valu

API Ammonia Test Kit - Test your freshwater or saltwater aquarium for toxic Ammonia levels. - The Tech Den

API Nitrate test kit, not good for salt water., Page 2

WHICH TEST KIT IS BEST? Reef Update Week 55

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