Ανταλλακτικό αντιδραστηρίου νιτρικού άλατος JBL NO3 για τεστ νερού λίμνης

This JBL Refill nitrate exchange strip is designed for monitoring nitrate levels in pond or aquarium water, including a test strip and thermometer for about 50 accurate measurements.

• The description claims that using this strip can prevent algae and stress in fish and maintain water quality.
• The description claims that it is easy to use with clear color reading suitable for both beginners and advanced hobbyists.