ATO / Dosing · Tom's Aquatics

Tom's Aquatics Aqua Lifter Dosing Pump (AW-20) fit check

Quick answer

Tom's Aquatics Aqua Lifter Dosing Pump (AW-20) is a dosing pump from Tom's Aquatics. Listed features: Diaphragm vacuum pump for low-precision dosing and ATO duty; Flow ~3.5 GPH, lifts water up to 30 inches; Popular as a kalkwasser drip and auto-top-off feed pump.

Tom's Aquatics Aqua Lifter Dosing Pump (AW-20): fits roughly 1-120 gallon systems. Specs, compatibility math, sizing risks, and alternatives before you buy.

Check this in my build Compare ato / dosing

Who it is for

Good fit for

✓ 1-120 gallon systems, per the catalog fit range.
✓ Small or open-top tanks where daily evaporation swings salinity fastest.

Not a fit for

✕ Systems over about 120 gallons without adding capacity elsewhere.
✕ Builds that have not yet decided on reservoir placement and pump lift.

Listed features

Diaphragm vacuum pump for low-precision dosing and ATO duty
Flow ~3.5 GPH, lifts water up to 30 inches
Popular as a kalkwasser drip and auto-top-off feed pump
Uses 1/4 inch tubing; flow-direction arrows on housing
ETL/UL listed

Specs checked against bulkreefsupply.com.

Compatibility math

Build role

gear value = risk reduced + maintenance made easier + build fit

Example: Tom's Aquatics Aqua Lifter Dosing Pump (AW-20) belongs in the plan only if it solves a real stability or maintenance job.

ReefCrafter keeps optional upgrades behind core stability requirements.

Risk notes

Manual top-off works until a busy week turns evaporation into a salinity spike.
Price is marked as estimated, so verify current vendor pricing before treating the budget as final.

Professional fit context

Check sensor redundancy, reservoir size, pump lift, fail-safes, and whether dosing is needed yet.
Tom's Aquatics Aqua Lifter Dosing Pump (AW-20) fits roughly 1-120 gallon systems; confirm that range against the final display volume, sump volume, and livestock plan.
Treat the displayed price as a budget placeholder until a reviewed vendor page confirms current pricing.

Alternatives to compare

Bulk Reef Supply BRS 1.1mL Single Channel Dosing Pump
Catalog fit range 5-75 gallon systems (budget tier).
Kamoer X4 WiFi 4-Pump Dosing System
Catalog fit range 30-300 gallon systems (balanced tier).
Jebao Doser 3.4 WiFi 4-Channel Dosing Pump
Catalog fit range 20-300 gallon systems (budget tier).

Full spec snapshot

Category: ATO / Dosing
Build tier: Budget
Estimated price: $25 est.
Tank fit range: fits roughly 1-120 gallon systems
Format: Dosing Pump

Questions

What tank size is the Tom's Aquatics Aqua Lifter Dosing Pump (AW-20) for?

ReefCrafter's catalog fit range for it is 1-120 gallon systems. Confirm that against your final display volume, sump volume, and livestock plan rather than the box label alone.

What should I compare the Tom's Aquatics Aqua Lifter Dosing Pump (AW-20) against?

Bulk Reef Supply BRS 1.1mL Single Channel Dosing Pump (Catalog fit range 5-75 gallon systems (budget tier)); Kamoer X4 WiFi 4-Pump Dosing System (Catalog fit range 30-300 gallon systems (balanced tier)); Jebao Doser 3.4 WiFi 4-Channel Dosing Pump (Catalog fit range 20-300 gallon systems (budget tier)).