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

    …extremely precise, robust, and versatile.   The Versa excels in many precision aquarium pump applications, including; dosing, auto top off (ATO), automated water changes, and reactor feeding. Precision DC Stepper Motor with planetary gearing mechanism Intelligent control w/BLE connectivity Wide…

    $149.99

    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

    …offers incredible capability and value.    The Versa excels in many precision aquarium pump applications, including dosing, auto top off (ATO), automated water changes, and reactor feeding. Precision DC Stepper Motor with planetary gearing mechanism Intelligent control w/BLE connectivity Wide…

    $599.99

    …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

    …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

    …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

    …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

    …- 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

    …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

    …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

    …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

    …for Reef Tanks Up To 100 Gallons The Kalkwasser powder is relatively inexpensive, is super concentrated and can simply be mixed into your top-off water. Additionally, the elevated pH of the resulting kalkwasser solution and CO2 reducing properties help to maintain a more desirable and stable pH of…

    $269.99

    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

    …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

    …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

    …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

    …Simulating currents found around high energy reefs. The pump changes speed frequently emulating crashing waves and tidal surges.This is a great mode for SPS corals. Gyre Mode Uniform circular flow creates motions that help transports water from one side of the tank to the other. With two pumps…

    $366.50

    …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

    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

    …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

    …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

    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

    …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

    …Simulating currents found around high energy reefs. The pump changes speed frequently emulating crashing waves and tidal surges.This is a great mode for SPS corals. Gyre Mode Uniform circular flow creates motions that help transports water from one side of the tank to the other. With two pumps…

    $299.99

    …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

    …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

    …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

    …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

    …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