Exaqua is a brand of innovative multiparameter photometers and reagent kits for testing water parameters in aquaculture, agriculture, and industry. Implementation of modern technology and full awareness of the flaws and shortcomings of similar solutions on the market has led to the creation of a photometer that is completely resistant to external light, with a user-friendly system supporting the titration process and a wide pH range for a single measurement. Exaqua is a portable, compact analytical instrument with a long operating time, available to everyone at a significantly lower price and with intuitive, hassle-free operation.