Dosing Pumps and Auto Top Offs

What is an ATO? An aquarium Auto Top-Off system measures water levels in the aquarium or sump. When the automatic top-off sensor detects a drop in water level, a pump sends fresh water from an auto top-off reservoir into the tank.

The best auto top off system, like the Tunze Osmolator, will have multiple sensors and fail safes to prevent flooding. A good nano auto top off, like the AutoAqua Smart ATO micro, has all this in a tiny form factor that fits in an all-in-one nano. A kalkwasser reactor can be attached to an ATO to replenish Ca and Alk in a reef aquarium.

An aquarium doser, like a peristaltic dosing pump, delivers small amounts of fluid in timed intervals. The timer is tuned to deliver elements at the same rate they are depleted. A reef doser setup will often have at least three pumps (for Ca, Alk, Mg).
82 Results
XP Aqua Duetto ATO Auto Top Off System
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XP Aqua Duetto ATO Auto Top Off System

Neptune DOS - Auto Water Change and Dosing System

Neptune DOS - Auto Water Change and Dosing System

Tunze Osmolator Nano 3152 ATO Auto Top Off System

Tunze Osmolator Nano 3152 ATO Auto Top Off System

Kamoer X1 Micropump - Bluetooth Single Dosing Pump

Kamoer X1 Micropump - Bluetooth Single Dosing Pump

Neptune Systems OS-1-M Optical Level Sensor with Magnetic Mount

Neptune Systems OS-1-M Optical Level Sensor with Magnetic Mount

Simplicity Dosing Container - 3 x 2L Compartments (6L Total)

Simplicity Dosing Container - 3 x 2L Compartments (6L Total)

Neptune Systems DDR - DOS Dual Reservoir

Neptune Systems DDR - DOS Dual Reservoir

Neptune ATK V2 Auto Top Off Kit

Neptune ATK V2 Auto Top Off Kit

AquaMaxx DTH-1 Pro Magnetic Dosing Tube Holder

AquaMaxx DTH-1 Pro Magnetic Dosing Tube Holder

Bubble Magus Tube Holder

Bubble Magus Tube Holder

Neptune Systems PMUP v2 Practical Multipurpose Utility Pump

Neptune Systems PMUP v2 Practical Multipurpose Utility Pump

AquaMaxx Dosing Container DC-1

AquaMaxx Dosing Container DC-1

Tunze Osmolator Replacement Metering Pump

Tunze Osmolator Replacement Metering Pump

Tunze Osmolator Storage Container 27L (7.1 Gal) ATO Reservoir

Tunze Osmolator Storage Container 27L (7.1 Gal) ATO Reservoir

X1 PRO WiFi Dosing Pump - Kamoer

X1 PRO WiFi Dosing Pump - Kamoer

FX-STP Peristaltic WIFI Continuous Duty Dosing Pump - Kamoer

FX-STP Peristaltic WIFI Continuous Duty Dosing Pump - Kamoer

JBJ ATO Automatic Top Off System Water Level Controller

JBJ ATO Automatic Top Off System Water Level Controller

JBJ Nano ATO Auto Top Off System with Pump

JBJ Nano ATO Auto Top Off System with Pump

IceCap Auto Top Off ATO

IceCap Auto Top Off ATO

HydroFill Auto Top Off ATO Controller - Innovative Marine

HydroFill Auto Top Off ATO Controller - Innovative Marine

Kamoer F4 PRO WiFi Dosing Pump (4 Channel)

Kamoer F4 PRO WiFi Dosing Pump (4 Channel)

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