Upgrade your water-testing accuracy with this five-pack of 10 mL glass test tubes from Palintest. Specifically designed for use with Palintest Pool 9 and Pool 10 photometers, each tube delivers a durable, precision-calibrated sample container ideal for regular pool and spa testing.

Over time chemical haze and wear can affect readings — replacing your test tubes helps maintain clarity and reliable results. Each tube measures approximately 75 mm long with a 25 mm diameter and comes with a plastic cap for secure sampling. A practical and cost-effective consumable for pool-service professionals and aquatic facility operators, this 5-pack supports consistent performance and efficient testing routines.