This digital pen style pH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage etc. All inspection qualified before shipment. Factory calibrated, it can be used immediately. Please be sure to calibrate with buffer solution before u...

ACCEL Super Coils feature advanced bobbin technology, highly specialized silicone magnetic steel cores, along with optimized winding, resistance and turns ratios to deliver 10-15 percent more energy than the OEM coils. Specialized high temperature epoxy resists shock and vibration, while increasing...

Designer Rick Hinderer’s experiences as an EMT and firefighter on dive rescue inform the functional features of this ideal mini carry. On the other hand, his past work as an artistic knife designer renders every curve of the Ember a work of art while not losing sight of a tactical purpose behind eve...

Synthetic ferric oxide hydroxide granules with an extremely high capacity for adsorbing phosphate from saltwater and freshwater. Also adsorbs silicate and does not release adsorbed substances. Recommended by Julian Sprung for long-lasting and easy control of phosphate levels on a permanent basis.

Completely revised and updated to address changes in technology and safety standards, this new edition is the definitive guide to the art and science of sailing.“The art of sailing, maneuvering, and preserving a ship or a boat in all positions and under all reasonable circumstances.” With the additi...

FEATURES: ★ 100% new Quality ABS and Silicon materials, Non-Slip Rubber Grip. High-elastic rubber lining, Anti-slip & anti-scratch, mount your smartphone stablely. ★ One Hand Operation,press button on back of unit to slide open and then take out mobile phone.Press the arms on both side to clamp mo...

This Pentek EP-10 carbon block filter cartridge reduces fine sediment and chlorine taste and odor in residential and commercial drinking water. It has a nominal (85%) filtration rating of 5 microns. The filter will reduce free available chlorine (FAC) at 2 parts per million (ppm) by at least 90% in...

Partsam offers an extensive line of high quality marker lights for car, truck, trailer, boat, bus, lorry, van, caravan, camper, RV, etc. You can find all the marker lights you need in Partsam! Partsam 5PCS Oval Red Side Marker Clearance light with bright 6 leds. Features: Cab be used as side marker...

Do you want to have total control over what goes on your skin? Make your own skin care products! Homemade Sunscreen: add Zinc Oxide Powder to any of your DIY body butters or lotions, and you have a simple and effective sunscreen. Acne Cream: Any lotion or preparation that contains Zinc Oxide Po...

Kinetik HC600 - 600 Watt 12 Volt Power Cell Battery is more powerful than 100 1 farad caps! Extreme power in a small package. Mount near your amplifier for 800 amps of power reinforcement. Easily starts a V8 engine! Engineered for high performance car audio systems, but graceful for normal driving c...

This Anderson Metals 56115 countersunk plug is a brass pipe fitting with a hex drive and 1/4" male National Pipe Taper (NPT) threads. The countersunk plug with a hex drive inserts into a pipe or fitting to close and terminate its end and has a recessed hex head for increased bearing load. It has mal...

This Pentek 150467 20-BB 3/4" #20 Big Blue filter housing with pressure relief is suitable for high-flow and heavy sediment applications. The opaque blue sump is made of reinforced polypropylene for strength and resistance to chemicals, and the black cap is made of high-flow polypropylene (HFPP) for...