JOR Refractometer, Dual-Range Scale Device to Measure Salinity and Specific Gravity of Saltwater Aquarium and Reef Tank, Provides Accurate Reading, No Batteries Required, 1 Set per Piece
Dual-Range Scale Refractometer --- A healthy saltwater aquarium requires a salinity balance or the salt concentration in aquarium water. Refractometer by JOR helps maintain this fundamental parameter in your saltwater aquarium or reef tank, measuring both salt percentage and specific gravity. This measuring tool has a scale range of 0 to 100%, where 1% means one part per thousand (PPT) or 1000 parts per million (PPM) and with a corresponding specific gravity range of 1.000 to 1.070..
Provides Accurate Measurement Reading --- Forget guessing and estimating. This handy refractometer features automatic temperature compensation that gives precise, faster and easier readings..
Easy To Use --- Place 2 to 3 drops of aquarium water on the glass, then close the plastic cover. Look through the eyepiece as you hold it under a light source. Check the reading. The blue line indicates the exact salinity level..
High Quality And Economical --- This premium quality handheld refractometer has an aluminum alloy body, rubber grip, and adjustable focus. It doesn’t corrode, and since it is analog, it can also save you money because it doesn’t need batteries to operate, sparing you from buying replacements..
Complete Care Set --- This portable measuring device c....
EBC-A40L Battery Tester Battery Capacity Tester with Charge Discharge Function Large Current Lithium Battery Charge Dischage Capacity Tester 110V
☀️ EBC-A40L is a high-current battery charge and discharge capacity tester for 5V battery and performance testing, through the online software with more extensions.
☀️ Voltage accuracy: 0.2% ± 0.03V. Current accuracy: 0.2% ± 0.01A.
☀️ Voltage range: charge 0-5V, discharge 0-5V. Current range: charge 0.1-40A, discharge 0.1-40A.
☀️ Connecting pattern: Testing connector and PC connection(The EBC-A40L tester can connect with a computer through a designated USB-TTL cable).
☀️ Package included: - 1 x Battery Tester - 1 x Online cable - 1 x Testing cable - 1 x Power supply cable.
Aqua-Flo 12\ Pond & Aquarium Filter Media, 72\ (6 Feet) Long x 1\ Thick (Green/White)
Premium biological and mechanical filtration media designed specifically for the Fluval 406, 407 canister filters.
Bio-Foam Max: 2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture.
Bio-Foam: mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow.
Bio-Foam+: mechanical and biological filtration media with large porous surface that supports expansive beneficial biological activity.
6-month supply for use in freshwater and saltwater aquariums.
Fishing Leaders with Swivels Assortment – Fishing Leader Line for Fishing Rigs Saltwater & Freshwater – Steel Leader Fishing Swivels and Strong Fishing Line– Fishing Tackle
30 FISHING LEADERS WITH SWIVELS ASSORTMENT / FISHING LEADER LINE FOR FISHING RIGS SALTWATER & FRESHWATER! Tired of losing the big fish when your fishing hooks with line breaks? This fishing leader 30 piece variety pack is great for many different types of fish. Work as steel leader fishing, fishing leaders saltwater, fishing rigs saltwater rig, saltwater fishing tackle kit leaders..
MULTIPLE PERFECT SIZED FISHING LEADERS – Sizes included (10 of Each): 12 inches, 9 inches and 7 inches. Work to fill your tackle box and these are not cheap wire leaders for fishing saltwater. Perfect fishing wire leader, attach your fishing hooks with leader, steel leaders fishing saltwater, steel fishing leaders, wire leaders for fishing, steel leader, steel fishing leaders, muskie fishing gear, bass hooks fish leader for catfish hooks and catfishing hooks, freshwater fishing tackle..
STRONG STEEL LEADER FISHING LINE – This fishing leaders pack consists of 30 high quality steel fishing leaders. Work for fishing line hooks to hook fish. These will make catching large fish simple! If you use barrel fishing swivels and swivels fishing tackle these steel leaders will let you catch your desired fish without trouble. Great fish leader freshwater fishing tackle for fishing a....
YISTER WiFi Control ATS W2R Switch Mini 2 Phase Dual Power Automatic Transfer Switch 220V 240V Changeover Switch (2P 100 Amp NO Power Off) with 1Pack 6 Positions Screw Terminal Strip Blocks
The switch is mainly used for testing whether normal or spare power is normal or not.It can switch power supply in 0.03 seconds to build uninterruptible power supply..
When the normal power is abnormal, the spare power works at once, which therefore ensures the continuirty, reliability, and safety of power supply..
When the normal power supply is normal, it will automatically switch back from the backup power to the normal power supply..
Easy to use: quick to install on the rail?There are fasteners on the side in seamless connection and parallel connection.
Feature:junction box,wire branch box,meet all kinds of cable branches to improve work efficiency..
Spa and Pool Test Strips 7 in 1, 100 ct Pool Test Strips for Hot Tub Water, Pool Test Strips for Hardness, Free Chlorine, Bromine, Total Chlorine, Cyanuric Acid, Total Alkalinity, pH
TESTING 7 PARAMETERS - Just dip once, then these hot tub & swimming pool test strips will show accurate results of 7 parameters, including total hardness, free chlorine, bromine, total chlorine, cyanuric acid, total alkalinity and pH..
QUICK USE - One test only takes you 17sec. First take a spa pool test strip and immerse test area in the water for 2sec. Second take it out and hold horizontally for 15sec without shaking extra water. Then compare to the color chart on the bottle for accurate results..
PREMIUM MATERIAL & EASY READING - These spa swimming pool cyanuric acid test strips select high quality and sensitive material, providing reliable and clear readings with out color bleeding..
WIDE APPLICATIONS - These pool chlorine test strips are functional in multiple situations, including hot tub, spa, pool in-ground and above-ground, both saltwater and freshwater..
EVEN MORE CONVENIENT - Economical 100 pool test strips in a handy bottle, is convenient for you to take these pool pH test strips any where you want and test different water resources. Attached test tube makes testing procedure even more easy..
JEREPET 2100GPH Aquarium Wave Maker with Controller Mini DC 24V 12W Powerhead with Magnetic Mounting, Wavemaker with LED Display for 10 to 60 Gallon Tank
Smart Wave Maker:with smart digital display controller and multiple mode ,can set pluse wave mode, steady strem flow mode,10minutes feed mode,master and slave control,ideal for coral reef tanks.
Safe DC24V 12W powerhead:DC24V working voltage ,safe for you and your fish,external control,no drive inside of the pump ,longer life.
Mini size and powerful wavemaker ,12W,2100GPH max flow ,pump size 2.7**2.7*2.2inches,suitable for freshwater and saltwater aquariums.fit for the 10 to60 gallon tanks.
Super Quiet aquarium wavemaker pump,SINE wave control tech,noise level less than 25db.
comes with a protect foam guard prevent things and fish sucked from the rear of the fan.
Stong Magnetic Mounting wave pump,use magnetic mounting,covered with rubber ,tank thickness up to 12mm(1/2″),wide flow range.
Pump Installation Remark:plug the power supply firstly.after power supply light is ON.then plug the pump..
Female Led Relationship Guide: How to Be a Femdom and Have the Perfect Female Domination Domestic Discipline Marriage or Relationship
【Easy-to-use multi-function probe tester】The main functions of this power circuit probe tester include voltage and polarity test, continuity test, signal circuit test, current test, circuit breaker protection, relay test, injector test and cleaning, component activation and testing, poor ground testing, tracking and locating shorts, etc. It beeps to indicate the result while testing and is the most versatile and practical dedicated circuit repair test tool its users have ever had..
【Best Electrical Tester】This electrical tester can supply power to electrical components, with reverse connection protection circuit, it is an advanced test tool for positive and negative line judgment. It shortens the diagnostic time of all 6 to 40 volt vehicle electrical systems, and is suitable for DC 6-40v cars, motorcycles, trucks, buses, construction vehicles, ships, tractors, mining vehicles and other vehicles that use DC circuits..
【Quick Self Test & Relay Test & Circuit Breaker Protection】GODIAG GT101 circuit tester has quick self test function, which can ensure the tester is in good condition before use. The GT101 Probe Tester Kit can quickly detect whether t....
Fluval SPEC/EVO/Flex Aquarium Filter Media Replacement Bundle, BioMax and Replacement Carbon Filter Media for Aquariums
Premium biological and mechanical filtration media designed specifically for the Fluval 306, 307 canister filters.
Bio-Foam Max: 2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture.
Bio-Foam: mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow.
Bio-Foam+: mechanical and biological filtration media with large porous surface that supports expansive beneficial biological activity.
6-month supply for use in freshwater and saltwater aquariums.
