Marine Test Instruments

 Hydrometers

 
Seatest Accurate Hydrometer $13.99

 
8inch Hydrometer/Thermometer $16.99

  Electronic Monitors
Pinpoint PH Monitor Package $139.99
Includes Pinpoint pH Monitor, pH probe, AC adapter kit, and 3 sets of each calibration fluid (#7.00 & #10.00)
Pinpoint Salinity Monitor Package $209.99
Includes Monitor, probe, and AC adapter kit
Pinpoint ORP Monitor Package $199.99
Includes Monitor, probe, and AC adapter kit.
Pinpoint Oxygen Monitor Package $349.99
Includes Monitor, probe, and AC adapter kit.