Disappointed with Chekcers

[Cujo#31]

Although pretty much virgin fresh to Hanna, I found cutting off top, then peeling open one side right down to bottom. I find doing this makes it WAAAY easier to add and easy to see if there is any left in packet

[westreefmang]

Alk and phos are great the ca is garbage bought couple refills assuming its the powder or something still same garbage always reads high i use the red sea reef foundation pack for second test