Api Liquid Nitrate Test Kit
or 6 weekly interest-free payments from £1.75 with what's this?
or 4 fortnightly payments of £2.63 with More info
API lends their years of testing expertise to provide a new, advanced Aquarium Test strip range. Unique features of this range include Highly precise colour charts for accurate results, dip straight into the aquarium and easy to read directions.
All dipstrips provide easy, convenient testing for both freshwater and saltwater.