Best Marine Saltwater Tester

OEMTOOLS 24507 Professional Series Ethylene Glycol Antifreeze Tester,Tests Freezing Point of Antifreeze and Proper Water/Coolant Mixture

  • WORKS WITH YOUR ENGINE HOT OR COLD: Disc-type tester is accurate at all temperatures.
  • Tests your coolant’s freezing point and helps guard against coolant overprotection.
  • EASY TO READ: Count the number of floating disks in the coolant tester and compare it to the chart on the body of the tester, which shows coolant freezing temperature in both Celsius and Fahrenheit.
  • Five floating discs means ideal protection.
  • PREVENTS OVERPROTECTION: Includes a special 6th disc which shows overprotection and a loss of coolant efficiency due to a bad water-coolant mix.
  • Our antifreeze and coolant tester has you covered.
  • SIMPLE AND POWERFUL: Features a clear body that makes it easy to check your coolant for impurities, such as rust.
  • All-in-one coolant tester kit features a simple yet powerful design.
  • WORKS ON ANY VEHICLE: Test diesel antifreeze, RV antifreeze, camper antifreeze, marine antifreeze, just about any vehicle's antifreeze coolant with ease with our coolant tester.
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Cal-Van Tools 64 High Energy Ignition Tester

  • Attach spark plug wire to tester and clip tester to engine.
  • Crank the engine and check for the presence of spark.
  • Sealed chamber reduces risk of fire around high pressure fuel injection systems or marine use.
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Aichose Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium, Saltwater Pool, with ATC Function, Dual Scale: Salinity 0-100‰ and Corresponding Specific Gravity

  • It is designed for the measurement of seawater or low concentrated saltwater..
  • Dual scale: 0-100‰ salinity and corresponding specific gravity 1.000-1.070.
  • Automatic temperature compensation function minimizes the effect of the temperature on testing result..
  • Easy to Use: It's very easy to use even for new users. And no battery needed..
  • Ideal for marine fishkeeping aquarium, saltwater pool, marine monitoring,lab,agricultural, gardening and educational purposes..
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Hard-to-Find Fastener 014973311063 Thread Cutting Floor Board Screws, 1/4-20 x 2, Piece-45

  • TYPE 316 MARINE GRADE STAINLESS STEEL WOOD SCREWS - ideal for all exterior woodwork and construction projects..
  • FOR USE IN HIGHLY CORROSIVE APPLICATIONS - Eagle Claw Fasteners 316 grade stainless steel wood screws are recommended for use in highly corrosive coastal, wet and outdoor applications including for docks, decks, balustrades, boat building, fences, jetties, walkways, saltwater pools and general timber construction..
  • EXTREMELY HIGH MARINE GRADE 316 STAINLESS STEEL - Marine grade stainless steel wood screws prevent ugly rust stains on your beautiful outdoor timber structures, and give you a quality fastener that will outlast the timber in saltwater or high corrosion environments..
  • STAR DRIVE HEAD (TORX DRIVER INCLUDED) AND TYPE 17 POINT - Eagle Claw Fasteners stainless steel wood screws have a star drive head (torx driver included) and type 17 point for easy driving (pilot holes recommended). Nibs under the head help seat the screw. Note that these are not self drilling screws..
  • SUITABLE FOR VARIOUS WOOD TYPES - Eagle Claw Fasteners stainless steel wood screws are suitable for use with all hardwood, softwoods and pressure treated lumber including redwood and cedar..
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Oakton - AO-35462-11 EcoTestr CTS Pocket Conductivity, Salinity, and TDS Meter

  • Salinity Range: 0~9999ppm/10~200ppt or 0.0-25%, ORAPXI salinity tester has an automatic temperature compensation function(32°F~140°F), which can decrease the error caused by the change of liquid temperature..
  • Wide applications: There are various purposes for the salinity tester. This instrument can not only detect the salt content of edible salt, salt water pool and koi fish pond, but also the salinity of seawater, marine, salt water fish tank salt level testing..
  • Backlit design: There is no need to worry about seeing the displayed value if the light is insufficient. ORAPXI salinity meter features a green backlit LCD to help you see the measurement results clearly in any situation..
  • 4-in-1 salinity tester: The multi-parameter Tester can test Salinity, TDS, EC and Temperature in an accurate, quick and reliable manner for most regular water solutions' testing..
  • After-sales: 30-day free return/replacement and we promise respond your any questions about the product within 12 hours..
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Wave One Marine LED Flush Mount Shark Eye Boat Navigation Lights | Red And Green Stainless USCG 2NM | Waterproof 12V

  • ...grade to any boat, yacht, sailboat, or pontoon. Please watch our product video to learn more..
  • BETTER UNIQUE FEATURES: Brilliant mirror polished stainless, thicker marine rubber gaskets, high grade stainless hardware, and heat shrink tinned wire. Our unique nav light features are specifically designed and tested for saltwater use here on the Atlantic Ocean. These marine marker lights provide clear lens led illumination for bright 2NM visibility. The shark eye flush mount nav lights are a high quality upgrade designed to last and improve the value of your vessel..
  • USCG 2NM APPROVED: Unlike the imitations, our led navigation lights have a US based laboratory uscg 2nm approval with the required 112.5 degree beam angle. Our lens has the USCG required legal stamping. Stay legal, stay safe. The bright led red and green marker light output improves safety when running at night. Not only are these lights safe, they look good on your boat, ski boat, or pontoon..
  • IP67 WATERPROOF: Our shark eye flush mount design is IP67 waterproof and has been tested submersed in saltwater. The sealed LED housing is designed to handle the rigors of open water better than typical older incandescent bulb technology..
  • EXCEPTIONAL QUALITY: We are a USA based (Florida) family owned bus....
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API MARINE ALGAEFIX Algae Control 16-Ounce Bottle (387D)

  • Contains one (1) API MARINE ALGAEFIX Algae Control 16-Ounce Bottle.
  • Controls algae growth and keeps marine and reef aquariums clean and clear.
  • Effectively controls these types of saltwater algae: Green algae (Cladophora), “Red Slime” (Oscillatoria / Spirulina major), “Brown Algae” (Cyclotella) in marine aquariums containing live corals, invertebrates and fish..
  • When used in salt water will not harm snails, clams, scallops, shrimp, anemones, sea cucumbers, feather dusters, coralline algae, soft corals, hard corals and other invertebrates..
  • Dose every three days until algae is under control then dose weekly.
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Salty Reef Marine Hardware - 12” All Purpose Marine Grade PVC Vinyl Round Buoy Fender (White)

  • 2000 psi tensile strength Marine Grade PVC inflatable buoy.
  • Easy inflation with ball needle or air compressor. (not included).
  • Extra large line holes fits most ropes and shackles.
  • Salty Reef marine accessories are guaranteed to provide you with the highest quality and durability for both fresh and saltwater marine activities..
  • Protect your boat with the highest grade PVC Vinyl available on the market today..
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Alloy Art Gooden-Tite ISO Machined Front Motor Mount GTMM-1

  • Tames the largest beasts of marine electronics.
  • Zero movement in the roughest water conditions.
  • Marine grade water mount for freshwater and saltwater.
  • Unique half-turn release base for easy removal.
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