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Boiler & Cooling Water Testing

Maintain optimal system performance and prevent problems before they start

Protect your systems from corrosion, scale and inefficiency

Boiler and cooling water systems require careful monitoring to prevent costly damage. Poor water quality leads to corrosion, scale buildup, reduced efficiency and expensive repairs – all avoidable with regular onboard testing.

Our boiler and cooling water test kits let crews check key parameters including alkalinity, chloride, nitrite, pH and oxygen scavenger levels (tannin and DEHA).

Each kit delivers quick, reliable results using simple colour-change indicators or titration methods, giving you the information you need to maintain optimal system performance and prevent problems before they start.

Whether you’re managing a single system or monitoring water quality across multiple vessels, Star’s test kits help you stay on top of water treatment and keep your systems running efficiently.


Star Boiler Water Test Kit – 00960005

Complete testing kit for boiler water monitoring including alkalinity and chloride tests. Supplied in robust carry case.

Star 309 Cooling Water Test Kit – 00960007

Comprehensive cooling water test kit covering nitrite, pH and chloride. Designed to support corrosion and scale control.

Star Cooling Water Test Kit-K100348 – 00960006

Liquid test kit for monitoring cooling water system integrity and treatment effectiveness.

Boiler & Cooling Water Test Kit – 00960031

Combined test kit covering both boiler water and cooling water system monitoring.

DEHA Comparator Kit (0–0.5 mg/l) – 00960027

Comparator kit for DEHA oxygen scavenger testing in boiler water. Simple colour comparison ensures correct dosing.

Star 315 Low Pressure Boiler Water Test Kit – 00960231

Complete tablet count method test kit for low pressure boiler water. Supplied with reagents and log book.

Star Motor Test Kit (MO246A)  – 00970081

Comprehensive kit for monitoring lubricating oil and engine coolant condition. Helps detect contamination and wear issues early.

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