Auto Water Change

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    Auto Water Change Plus Auto Top Off    Change your reef tank's water automatically with AutoAqua's AWC system. AWC & ATO All-In-One. Water changes are one of the most time-consuming maintenance tasks with saltwater aquariums. There has been plenty of debate over how much water you should change and…

    $209.99

    …the day. The DOS pump is so smart it will even change the speed of the motor depending on the amount needed to be delivered to the tank to keep noise at a minimum. 2 part dosing Liquid food dosing Additive delivery Micro-quantity dosing Auto water changes  Simply hook this system up to any Apex via…

    $299.95

    Perfect for 2-Part Dosing or Auto Water Changes! Designed for hobbyists and professionals who seek reliable dosing. If the dosing is in the form of liquid additives or even automatic water changes (AWC) the GHL Doser Maxi is up to the task. Unlike other dosing pumps on the market, GHL uses dual…

    $379.90

    …time and volume. The monitor allows you to create filter change points at each stage at an individual point in the future or at a specific water volume. When the preset points are reached the FM-2 will alert you that it's time to change a particular stage. This is a great unit for maintaining your…

    $39.99

    …using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted…

    $34.95

    …5 Stage Systems are our most popular systems and are great for a majority of wells, along with city water that is treated with chlorine or even small amounts of chloramines. The single Color Changing DI stage comes on its own bracket allowing you to customize the installation depending on the space…

    Starting at:
    $264.99

    Ideal for auto top off applications. Our peristaltic pump has a slow, predictable 50 mL per minute flow rate which ensures gradual and subtle changes to water chemistry. Precision two roller design extends pump life and will not back siphon. 24-month warranty offered by Bulk Reef Supply.   BRS Top…

    $79.99

    …With additional accessories, you can unlock features like auto water changes, provisions for magnetic stirrers, and even an ATO functions. GHL has even gone a step further making their illuminated logo on top of the dosing unit change colors as status transitions, letting you know when something…

    $459.90

    …uses include safety stops for RODI systems, CO2 systems on calcium reactors, and many other places where you want to control the on/off flow of water, air, or other gasses.    Adapting soft 1/4" tubing can be done easily with a 1/4" stem x 1/4" barb adapter.   This solenoid valve can also be used…

    $29.95

    …with the ATO controller and sensor to allow the flow of RODI water to your sump and when the water level is replenished the sensor will tell the controller to shut off power to the solenoid to close the valve and stop the flow of RODI water. The solenoid uses 1/4" push connect fittings to allow RO…

    $22.99

    …equipment from running dry! Using a tiny optical sensor, AutoAqua's Smart Level Sensor will cut power to the outlet when the sensor detects a change in water level. The plug & play design requires no difficult programming and the magnetic attachment makes placement and adjustments of the level…

    $59.99

    …Mixed Bed DI Stage with Refillable Cartridge Single Mixed Bed DI Stage with Refillable Cartridge Waste to Product Water Ratio 3:1 3:1 1.5:1 1.5:1 Rejection Rate 99% 98% 99% 98% Auto Shut Off Valve ✓ ✓ ✓ ✓ Flow Restrictor 550 ml/min 800 ml/min 550 ml/min 800 ml/min Canister Wrench ✓ ✓ ✓ ✓   Laundry…

    Starting at:
    $149.99

    …with the solenoid valve. Placing the float valve over the water line in your sump will allow the solenoid to work as normal, however, if a sensor faults keeping the solenoid open, the float valve will maintain the flow of water until the issue is fixed.   Specifications: Dimensions - 2.5"…

    $23.00

    …using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted…

    $24.95

    …Ensuring the proper salinity in your reef tank allows your fish and corals more time to grow instead of having to adjust to constant salinity changes. If you have a hard time seeing the fuzzy blue line common with traditional refractometers, or just want to make your life easier, pick up a Hanna…

    $69.00

    …you feed, and their is media out there to remove phosphates from the water in the tank, like GFO. When running any type of phosphate removal media you should have a test kit to know that it is actually working and when to change out the media.   What's Included: 1x Mi412 Phosphate Photometer 100x…

    $189.99

    Perfect for 2-Part Dosing or Auto Water Changes! Designed for hobbyists and professionals who seek reliable dosing. If the dosing is in the form of liquid additives or even automatic water changes (AWC) the GHL Doser Maxi is up to the task. Unlike other dosing pumps on the market, GHL uses dual…

    $379.90

    …- Prevent overflows or dry running equipment by placing the sensor at a high point out of the water, or a low point under the water. When the optical sensor views a change in the state of the water level, the outlet will instantly cut the power output turning off the device that is plugged into…

    $159.99

    …TDS readings in three places.  We will usually suggest installing the triple TDS meter post source water, post membrane and post DI stage. These three readings will notify you when it's time to change the RO membrane and DI resin.   The TRM-1 Triple Inline TDS Meter from HM Digital is one of the…

    $44.99

    …5 Stage Systems are our most popular systems and are great for a majority of wells, along with city water that is treated with chlorine or even small amounts of chloramines. The single Color Changing DI stage comes on its own bracket allowing you to customize the installation depending on the space…

    Starting at:
    $199.99

    …skimmers internal water level. With traditional gate valves or wedge pipes, you can almost never recreate the same setting if the valve is ever bumped or turned. The S-130 click dial easily lets you retune your skimmer in the event that something changes. One of the biggest change to the eSsence…

    $309.99

    …with your water sample. Next, add the reagent. Last, place the vial into the Hanna Phosphate Checker, press the button and read the results. Done. Adaptation of Standard Method 4500-P E Accuracy 4% ±0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto

    $49.95

    …Replaceable pH Electrode Automatic Shut-off Includes Pocket Clip   Knowing the pH of your reef tank, or the electrical conductivity of your RODI water is a necessity, and Hanna's HI98129 Combo Pen is the perfect all in one solution. The lightweight and portable pen can test pH, conductivity, or TDS…

    $157.99

    …With additional accessories, you can unlock features like auto water changes, provisions for magnetic stirrers, and even an ATO functions. GHL has even gone a step further making their illuminated logo on top of the dosing unit change colors as status transitions, letting you know when something…

    $459.90

    …they can accomplish.  Float Switches for Auto Top Off Reed Switches for incabinet lighting or intruder detection Humidity Sensors for turning on and off fans or dehumidifyers Momentary Swtiches for a time based function like saltwater mixing or water changes 3-Way Toggle Switches for overriding…

    $39.95

    Prevent overflows or equipment from running dry!   Customize your AutoAqua Smart ATO, ATO Micro, or AWC with your own pump. Just insert the male barrel plug into your Smart controllers pump port, plug the outlet into any wall socket, and then your pump into the Smart AC Socket. This is the perfect…

    $30.00

    …continuous operation out of the Smart ATO pumps, but if you use kalkwasser or other additives in your ATO, they can lead to premature failure.    Auto top off pumps can fail from time to time and having a back-up pump on hand is always a smart thing to do. Making sure your system keeps topping off…

    $23.00

    Clamps to tanks with rims measuring under 3/4" thick. With a simple screw adjustment your top off tubing will be super secure for years to come.

    $12.99

    …the range of 8.0 – 8.4. If all parameters are correct, the salt water is ready to use.   Note: Slight cloudiness is normal at this stage and indicates that the bio-active substances are taking effect. Not recommended for Auto Water Change systems since after a couple days a film will develop on the…

    Starting at:
    $46.73

    …reliable Auto Top Off System! Dual Optical Sensors Magnetic Sensor Mounts Compact Design DC Feed Pump Fail-Safe Protection No Moving Parts   Auto Top Off Systems not only save you the daily chore of adding fresh water to your saltwater aquarium but will also keep your salinity levels from changing

    $126.99

    …equipment. Control lights, pumps, water change stations, fans and much more with the Save A Watt Digital Timer. The easy to program timer has a super large, orange backlit LCD display makes it easy to read from across the room. With LEDs indicating the On, Off, and Auto keys, all the buttons are…

    $34.95

    …Refillable Cartridge Single Mixed Bed DI Stage with Refillable Cartridge Waste to Product Water Ratio 3:1 3:1 1.5:1 1.5:1 Rejection Rate 99% 98% 99% 98% Flow Restrictor 550 ml/min 800 ml/min 550 ml/min 800 ml/min Auto Shut Off Valve ✓ ✓ ✓ ✓ Canister Wrench ✓ ✓ ✓ ✓   Laundry Tub Connection Adapter ✓…

    Starting at:
    $214.99