Aquaculture:Maintaining good water quality is essential for profitable fish production. In many cases, the availability and cost of 'crop' insurance is directly related to testing programs. We offer a choice of six reliable models, from color cube and disc methods to DR/800 and DR/2400 platforms.Saltwater Aquaculture Test Kit with Digital Titrator - Model FF-3:Hach's newest aquacultural analysis package, the FF-3 Saltwater Aquaculture Test Kit, is designed to meet the demands of specialized saltwater applications. Each test kit includes the apparatus and reagents necessary to measure 10 critical parameters. Two tests, ammonia-nitrogen and convenient chloride titration test for salinity, have been designed exclusively for this kit.