Seawater Salinity Refractometer,V-Resourcing Automatic Temperature Compensation Sea Water Salinity Measurer for Aquarium, Hydrometer, 0-100ppt & 1.000-1.070 Salinity Specific Gravity

  • Automatic Temperature Compensation: 10℃~30℃.
  • Measuring range: salinity: 0-100 ‰, Specific Gravity : 1.000 to 1.070.
  • Minimum scale: salinity: 1 ‰, Specific Gravity : 0.001.
  • Resolution: salinity: ±1‰, Specific Gravity : 0.001 mm.
  • Perfect for salty water tank and aquarium, seafood water tank, salty pools & spas and etc.
Check Stock

RCYAGO Dissolved Oxygen Meter with Electrode Filling Fluid

  • ...uto power-off in 8 minutes if not using it. Low battery indication. Oxygen solubility will be affected by temperature, atmospheric pressure, and salinity. Our instrument with temperature compensation can meet normal use..
  • It is very suitable for measuring the dissolved oxygen level and temperature in a wide range of aquariums, swimming pools, ponds, freshwater aquaculture, marine aquaculture, school teaching experiments, laboratory sterile environment, aquaculture, scientific research, and other fields..
Check Stock

API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-colored

  • Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap.
  • Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss.
  • Accurately monitors 5 most vital water parameters levels in freshwater aquariums: pH, high range pH, ammonia, nitrite, nitrate.
  • Designed for use in freshwater aquariums only.
  • Use for weekly monitoring and when water or fish problems appear.
Check Stock

Coralife Size 32 BioCube Deluxe Reef Aquarium Bundle (14 Items)

  • Two Little Fishies Aquastik Aquarium Epoxy Putty, Red, 2 oz.
  • The Coralife Size 32 LED BioCube Aquarium features LED lighting and timer capabilities–taking it to the next level of all-inclusive aquariums. It has a compact and customizable filtration chamber, hinge-top canopy design, quiet submersible pump, dual intakes, adjustable return nozzle and clear glass back panel for easy refugium set-up. The Coralife BioCube NEW STYLE Protein Skimmer (V2) w/Needle Wheel is a step up from the old skimmer that used an airstone and an air pump. This Skimmer fits perf.
  • The BioCube Size 32 Aquarium Stand is built just for the BioCube 32. This attractive stand features tinted acrylic door panels, holes in the back for routing electrical cords and a storage shelf. The Stand does need to be assembled..
  • You can be sure the included Salt has the correct salinity with the MarineAndReef Reefractometer. Measure your levels with the Reef Master Test Kit. Use the Egg Crate, LifeRock Shapes and Epoxy to build your rock structure. Plus we’ve include, just the right amount of Reef Sand and an Algae Cleaning Magnet..
Check Stock

LaMotte 7459-02 Salinity Titrator Test Kit, DRT, 0-40 ppt Range

  • For determining salinity (as chloride content) of water.
  • Employs modified APHA Argentometric method.
  • Range of 0 to 40 ppt salinity in 0.4 ppt increments.
Check Stock

Extech DO700 Portable Dissolved Oxygen Meter

  • Measures dissolved oxygen concentration/saturation, pH, mV, conductivity, TDS, salinity, resistivity and temperature.
  • Automatic salinity compensation and manual barometric pressure compensation for DO measurements.
  • One button pH calibration (4, 7, and 10pH).
  • Choice of 3 point pH calibration for better accuracy.
Check Stock

The EC Reader - 1950 - Birth of the New Trend (The Chronological EC Comics Review)

Check Stock

ISTA Saltwater Hydrometer - Aquarium Fish Tank Reef Soft Coral Marine Supplies

  • ●Provide precise salinity reading. ●Easy in operation and salinity reading. ●Smooth water flow design prevents the attachment of fine bubbles to increase measurement accuracy..
Check Stock

GOOFIT Modified Blue 6 Teeth Pull Start Engine with Carburetor Handle Grip Throttle Cable Replacement for 2 Stroke 47cc 49cc ATV Quad Dirt Pocket Bike Mini Motorcycle

  • Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap.
  • Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss.
  • Accurately monitors 5 most vital water parameters levels in freshwater aquariums: pH, high range pH, ammonia, nitrite, nitrate.
  • Designed for use in freshwater aquariums only.
  • Use for weekly monitoring and when water or fish problems appear.
Check Stock