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Collection: Dosing & Auto Top Off

Auto top-off systems, dosing pumps, reservoirs, and auto water changers to keep salinity and reef chemistry stable automatically. An auto top-off holds salinity steadier between water changes than any manual routine.

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91 products

AutoAqua Anti-Siphon Valve
new

AutoAqua Anti-Siphon Valve

Regular price $9.65 CAD
$9.65 CAD
AutoAqua Smart Automatic Water Changer Lite

AutoAqua Smart Automatic Water Changer Lite

Regular price $308.85 CAD
$308.85 CAD
AvidAqua MTO Tube Organizer
new

AvidAqua MTO Tube Organizer

Regular price $67.60 CAD
$67.60 CAD
Bubble Magus Auto Top-Off Reservoir - 2 Gallon

Bubble Magus Auto Top-Off Reservoir - 2 Gallon

5.0 out of 5 stars, 1 review
Regular price $86.80 CAD
$86.80 CAD
Bubble Magus Auto Top-Off Reservoir - 5 Gallon

Bubble Magus Auto Top-Off Reservoir - 5 Gallon

4.0 out of 5 stars, 1 review
Regular price $134.40 CAD
$134.40 CAD
Bubble Magus Auto Top-Off Reservoir - 9 Gallon

Bubble Magus Auto Top-Off Reservoir - 9 Gallon

Regular price $163.80 CAD
$163.80 CAD
Bubble Magus TS1 Dosing Pump

Bubble Magus TS1 Dosing Pump

Regular price $112.00 CAD
$112.00 CAD
Ecotech Versa Blue Tubing - 25 Feet

Ecotech Versa Blue Tubing - 25 Feet

Regular price $23.99 CAD
$23.99 CAD
Ecotech Versa Clear Tubing - 25 Feet

Ecotech Versa Clear Tubing - 25 Feet

Regular price $23.99 CAD
$23.99 CAD
Ecotech Versa Elbow Connectors - 4 Pack

Ecotech Versa Elbow Connectors - 4 Pack

Regular price $16.99 CAD
$16.99 CAD
Ecotech Versa Pump Tube with Female Push Connectors

Ecotech Versa Pump Tube with Female Push Connectors

Regular price $35.49 CAD
$35.49 CAD
Ecotech Versa Dosing Pump

Ecotech Versa VX-1 Dosing Pump

3.0 out of 5 stars, 1 review
Regular price $354.99 CAD
$354.99 CAD
Ecotech Versa VXB-1 Base Station for Versa Dosing Pumps

Ecotech Versa VXB-1 Base Station

Regular price $329.99 CAD
$329.99 CAD
Ecotech Versa Dosing Pump 4 Pack

Ecotech Versa VXF-1 4 Pack Dosing Pumps

Regular price $1,209.99 CAD
$1,209.99 CAD
Ecotech Versa White Tubing - 25 Feet

Ecotech Versa White Tubing - 25 Feet

$18.41 CAD
Sale price $18.41 CAD Regular price $23.99 CAD
Ecotech Marine Dosing Parts & Supplies

Ecotech Versa Yellow Tubing - 25 Feet

Regular price $23.99 CAD
$23.99 CAD
Focustronic Dosetronic DC
new

Focustronic Dosetronic DC

Regular price $889.95 CAD
$889.95 CAD
Focustronic Dosetronic PRO
new

Focustronic Dosetronic PRO

Regular price $1,029.95 CAD
$1,029.95 CAD
Focustronic Tracetronic
new

Focustronic Tracetronic

Regular price $1,899.95 CAD
$1,899.95 CAD
IceCap Gravity ATO

IceCap Gravity ATO

Regular price $29.50 CAD
$29.50 CAD

Two Jobs, Both Automated

A reef tank loses fresh water to evaporation every day, which drives salinity up, and its corals steadily consume calcium, alkalinity, and magnesium. Auto top-off (ATO) handles the first by replacing evaporated water automatically; dosing pumps handle the second by delivering supplements on a set schedule. Together they take the two most tedious daily tasks off your hands. We carry gear from EcoTech, Bubble Magus, IceCap, Kamoer, and AutoAqua.

What You'll Find Here

  • ATO systems — sensor-controlled pumps that top off evaporated water and hold salinity steady.
  • Dosing pumps — single and multi-head peristaltic pumps for precise supplement dosing.
  • Reservoirs — top-off and dosing containers to feed both systems.
  • Auto water changers — automated systems that swap out old water for new.
  • Tubing & accessories — dosing tube, holders, and anti-siphon valves.

An ATO is the single best safeguard against a salinity swing while you're away. Pair a dosing pump with a good test routine so you're replacing exactly what your corals use. Email sales@jlaquatics.com to match a system to your tank. J&L has equipped Canadian reefkeepers since 1997.

J&L Aquatics was formed in December 1997

Our business was started from our love of the aquarium hobby. We at J&L Aquatics felt that the Canadian aquarist should have the option to purchase top quality supplies, equipment and livestock other than the generally over priced local retail stores.