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    …will get a lot of value out of the Ecotech Battery Backup module.  It is one of the easiest battery backup solutions on the market, and once you piece together another battery backup configuration there is a ton of value in the Ecotech line and their battery backup In an aquarium with no flow, fish…

    $173.25

    …illuminating an indicator light when the outlets are energized. Perfect for any type of lighting Large LCD display Multiple programming options 1-Minute programming intervals Rechargeable Ni-MH battery Operates two devices at the same time   What's Included? 1x Hamilton Dual Outlet Digital Timer

    $19.95

    …per stage, up to five stages  Default Setting - 12 months  Batteries - 2 x AA (included) Battery Life - approx. 18 months  Base Unit Dimensions - 100 x 63 23 mm (4 x 2.5 x 0.9 in)  Base Unit Weight - 119 g (4.2 oz.) (including batteries) Flow Switch Cable Length - 93 cm (36.6 in)  Flow Switch…

    $39.99

    …Photocell Method - Adaptation of the EPA method. The reaction between copper and the bicinchoninate reagent causes a purple tint in the sample Battery - 1.5V AAA (included) Auto-Off - After 10 minutes of non-use Dimensions - 3.2" x 2.4" x 1.5"   What's Included? 1x Hanna HI702 Checker 2x Testing…

    $49.95

    Single Output | Battery Powered | Silent Cobalt USB Powered air pumps use a 5V DC powered motor that also has an onboard battery that can last up to 24 hours without a direct connection to a power supply. It can run continuously or with a 10-second on/off cycle in the battery powered mode to make…

    $25.99

    …in Alternating Gyre Mode (additional cable required) Battery Backup Compatible Backward compatible with Maxspect 100 series. Neptune Apex Ready   Another great feature of the module is that it allows you to hook up your gyre to a backup battery.  The module will automatically detect when main power…

    $124.99

    …or Power Outages The Rescue Air USB Battery Powered Air Pump is perfect for any emergency. With the onboard battery and included a battery bank, the pump can be powered for up to 72 hours. It can run continuously or with a 10-second on/off cycle in the battery powered mode to make the pump last as…

    $39.99

    …Vectra Battery Backup Booster will plug in directly between the controller on the Vectra series of pumps and the battery backup allowing your aquarium system to have flow in the event of a power outage. Connects in seconds Essential in case of a power outage Auto On/Off mode conserves battery  …

    $30.45

    Dual Output | Battery Powered | Silent Cobalt USB Powered air pumps use a 5V DC powered motor that also has an onboard battery that can last up to 24 hours without a direct connection to a power supply. It can run continuously or with a 10-second on/off cycle in the battery powered mode to make the…

    $35.99

    …the only full-time pH monitor with .01 resolution. With proper care this PINPOINT pH monitor should last a lifetime. PINPOINT pH Monitor Features:Includes pH probe and calibration fluidspH probe has a 10ft high suppression cable and BNC connectorMonitor is powered by a 9-volt battery (not included)

    $94.99

    The Milwaukee pH600 pH Pen is an economical easy to use meter that returns quick, reliable pH measurements. Specifications: Range: 0.0 - 14.0 pH Resolution: 0.1 pH Accuracy: +/- 0.2 pH Calibration: Manual 1 point Battery Life: 700 hours Dimensions: 150 x 30 x 24 mm

    $24.99

    The Tunze Turbelle Safety Connector allows for safe connection to pumps. It contains a 4 Amp fuse and permits normal operation with the Tunze power supply unit. In case of a power failure, it will automatically switch over to a battery or another direct-current source.

    $55.28

    …what the corals actually have to offer.  Great for photography Aids in pest and parasite hunting Portable for frag swaps or local fish stores Can be used with the aquarium lights on or off Shows off corals true bioluminescence   What's Included? 1x Polyplab Scope Blue LED Flashlight 1x AA Battery

    $24.99

    …ppt Temperature Compensation - Automatic from 5 to 50.0 ºC Battery Life - Approximately 100 hours of continuous use Environment - 0 to 50 °C (32 °C to 122 °F) RH max 100%   What's Included? 1x HI98319 Marine Salinity Tester 1x CR2032 Battery (installed) 1x Storage Case 4x 35ppt Calibration Standard…

    $69.00

    …up to 12 times per day Pre-programed for 2 feedings per day (8am and 6pm)   Specifications: Size 4.5” x 3” x  3 5/8” Capacity up to 7.5ci of dry food Mounting bracket for up to 2” thick tanks Uses 4 AA batteries   What is in the box? Auto Feeder Tank Mounting Bracket Rubber suction Feet Instructions

    $78.49

    …Measure Operated by a single AAA battery.   Specifications: Range: 0.0 to 20.0 dKH Resolution: 0.1 dKH Precision: ±0.3 dKH ±5% of reading Light Source: LED @ 610 nm Light Detector: Silicon photocell Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing Battery Type: (1) 1.5V AAA Auto-off:…

    $49.95

    …your account and suggest changes for you.   Battery Backup Compatible In an aquarium with no flow, fish and corals begin to die in as little as 4 to 10 hours. The Battery Backup is reef tank insurance in an aluminum housing. By adding the Battery Backup, your tank is insulated from power…

    $374.99

    Eheim Model Number: 3531090 EHEIM QUICK VAC PRO MANUAL Battery Life: 4 Hours

    $48.99

    …Silicone 3.3' Power Supply: 3x AAA batteries (included) Battery Life: Approximately 3 years of use Auto-Off: 8 min, 60 min, or disabled Dimensions: 4.2" x 2.3" x 0.65"   What's Included? 1x HI98509 Checktemp Thermometer 1x Monitor Stand 1x 3.3' Probe & Cable 3x AAA Batteries    HI98509 Owners Manual

    $39.00

    …to the outside of the aquarium. The LED light should shine into the entry path of the trap, luring larvae into the trap opening.   Whats Included: 1x Larval Trap 1x Battery powered LED light (battery included) 1x Rigid airline tube 2x Suction Cups   Note: Air pump and airline tubing not included.

    $58.99

    …required) Battery Backup Compatible Neptune Apex Ready   Another great feature of the module is that it allows you to hook up your gyre to a backup battery. The module will automatically detect when main power is lost and will slow the gyre the 30% speed to extend the life of the battery.   Whats…

    $124.99

    …and then plugging it into a computer style UPS (uninterrupted power supply) along with your router/modem and an energy bar, you can have a complete battery backup system. With that, it can notify you through email or text messaging when power is lost and control certain life support outlets like low…

    $15.95

    …Large Multi-Level LCD Two-Button Operation Integrated Temperature Sensor Automatic Calibration Stability Indicator Automatic Shut-Off Low Battery Indicator Battery % Shown at Startup   Specifications: pH Range - 0.0 to 14.0 pH pH Resolution - 0.01 pH pH Accuracy - ±0.1 pH pH Range - 0.0 to 14.0 pH…

    $49.50

    …The Watchdog monitor is small enough to slip between sumps and stands, or the wired sensor can be placed in even tighter locations. A single 9V battery (not included) will keep the Watchdog running for up to 24 months, standing by to alert you of the smallest drop of water that comes in contact with…

    $12.99

    …informs you of low battery power. Function keys are splash-proof.   Approximate capacity: 100 mL.   Dimensions - 6.25" L x 2.875" W x 3.75" H (includes mounting bracket)   The EHEIM feeding unit feeds your fish on a regular basis. The compact EHEIM feeding unit is operated by batteries (included).…

    $33.10

    …reproducible readings. Large LCD Display Reliable, Repeatable results Auto Off feature turns off after 10 minutes Works with fresh or saltwater 9v battery included   Replacement MI412 Reagents - Milwaukee MI512 Reagents for MI412 Low Range Phosphate Photometer   A good, reliable phosphate test kit…

    $189.99

    The Hydor EKOMIXO fish feeder operates on 2 AA batteries (not included) and has a low battery indicator feature. This feeder offers one touch operation making automatic fish feeding very simple. Choose from settings to feed once, twice, or three times a day. The food container can be adjusted to…

    $32.99

    The Milwaukee MW101 pH Meter with battery is a low cost, high quality and reliable pH meter. The Milwaukee MW101 pH Meter ships complete with a pH probe, calibration solution, a 9V battery, instruction manual and a screwdriver for easy calibration. Milwaukee Instruments offers the most affordable pH…

    $96.99

    More Features: Power: DC 1.5V-LR44 Battery Included Dimensions: 2.25" x 1.5" x 0.5 Suction Cups or Velcro tape included for application.

    $10.99

    …floor these are a no brainer! Making the LBS-10 ultra safe is when the battery is starting to get low, it gives you an audible alert, and before the battery completely dies the solenoid valve will latch shut until the battery is replaced.    Possible Applications: RODI Systems Dishwashers Coffee…

    $53.00

    …reliable results. The instruments can be calibrated using the trimmer provided on the back. Specifications: Range: +/- 1000mV Resolution: 1 mV Accuracy: +/- 5 mV Battery Type: 9V (included) Battery Life: 300 hours Environment 0 to 50°C / 32 to 122°F; max RH 95% Max Dimensions: 80 x 145 x 35 mm

    $110.99

    …The reading is fully temperature compensated. With proper care this PINPOINT Salinity monitor should last a lifetime. PINPOINT Salinity Monitor Features: Includes conversion chartIncludes probeAccurate temperature compensated measurementsMonitor is powered by a 9-volt battery (not included)

    $129.99