Reptile Uvb Uv Test Card 10 Seconds Detection Reusable Card Reptile Accessories Aquarium Equipment

Description: Name: Test Card Product Category: Other Aquarium Products Category: Aquarium Equipment Material: NFF-71 UV test card Packing list: 1 x Test Card Note: Different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you. Features: ['--This reusable card accurately measures UV radiation within 10 seconds. Place the card in the field under the UV lamp (within 5 cm from the lamp) to check if the lamp is in use.', '--The reaction area on the test card is purple, indicating that the bulb contains UVB values.', "--If the card doesn't show any color, replace the bulb every year or earlier, in 10 second increments, the card can be used up to 500 times.", '--When not in use, keep the card in the holder or store in a dark place.']