Marineland 6-in-1 Multi-Test Kit for Aquariums, 10-Count

Amazon.com Price: $10.99 (as of 25/03/2022 18:22 PST- Details) & FREE Shipping.

Marineland 6-in-1 Multi-Test Kit tests for nitrate, nitrite, hardness, chlorine, alkalinity and pH
Results in 60 seconds
10 individual test strips last 10 weeks

Usually ships in 24 hours