API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit [Single] $17.68

First post, be gentle
Beats any in-store price. Not as good as previous lightning deal pricing, but close.
Camelcamelcamel reports lowest price in 2017 [Not entirely true, there was a lightning deal posted here in November for $2 less]
Aquarium Test Kit $17.68
Normal pricing $21.99 on Amazon. $30+ in store at petco/petsmart/petplus . Petco.com has matched $21.99 pricing online only.
https://www.amazon.com/gp/product…UTF8&psc=1