SUB-ZERO

SUB-ZERO

Elevate Your Ice

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Free

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Features

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About

SUB-ZERO is the all-in-one ice operations platform designed to help arenas deliver elite ice conditions, improve efficiency, and make smarter, data-driven decisions every single day. Built specifically for rink operators, technicians, and facility managers, SUB-ZERO replaces paper logs and guesswork with real-time digital tracking, operational visibility, and actionable insights. Core Features Ice Intelligence Record ice thickness across full-sheet measurement grids Track surface temperature and hardness (Shore C) Monitor water quality, including temperature, TDS, and pH Visualize trends and support more consistent, high-quality ice conditions Flood and Resurfacing Logs Digitally log each flood in seconds Track water usage, flood duration, and flood frequency Identify inefficiencies and reduce waste over time Ice Resurfacer Tracking Log equipment usage and operational performance Monitor blade changes, maintenance activity, and repairs Improve consistency across operators and resurfacing routines Plant and Facility Readings Record key ice plant data alongside daily ice operations Compare plant performance with ice condition results Support better energy use and more efficient facility operation SUB-ZERO gives arena teams a single, connected system for managing ice quality, equipment activity, and daily operational reporting.
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What's New in SUB

1.7

September 19, 2026

NEW: APPLE WATCH APP Walk the rink with your phone in your pocket. Start a 29-point ice depth check on your iPhone and it appears on your Apple Watch straight away. • Turn the Digital Crown to set each reading, then move on to the next point • See how many points are done at a glance • Open All Points to jump to any point, or retake one • Every reading syncs to your iPhone as you go 37 AND 52 POINT RESULTS Ice depth results now cover 37 and 52 point checks as well as 29, with the same rink view, figures, filters, list view and PDF reports. All three sit under one ICE DEPTH CHECK entry in the menu, with a 29 / 37 / 52 switch at the top of the page. The app remembers the last one you used. SEE WHAT CHANGED SINCE LAST TIME Average, variance, max and min each show an arrow and a percentage, compared with the previous check on the same rink: • Green: 20% or less • Orange: 21% to 35% • Red: 36% or more, up or down A note above the figures shows which check they're being compared with. ALWAYS UP TO DATE Results refresh every time you open the page, and the dashboard updates when you return to it, a check you've just finished shows up straight away. BETTER ON IPAD In landscape, the rink sits beside the figures and uses the full screen, and the list view shows two columns. DEPTHSENSE™ Drill, press send, and each measurement goes straight into SUB-ZERO, no separate Bluetooth calliper needed. Pre-orders are open; tap the DepthSense banner in the menu to find out more.

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