These chromium hexavalent test strips are used in the Micro 20, the old Sensafe Exact Micro 7 Photometer, and in other water testing micro meters.

Features:

• TESTS FOR: Chromium hexavalent
• Compatible with the old eXact Micro 7+ Pool/Spa KIT and other micro meters

Note: To ensure optimal performance, store your eXact kit in a cool, dry place away from excess heat (below 100°F/38°C), moisture, and oxidizers such as chlorine and bromine.