photometer

$900 o.b.o Comes with 20 testing disks….around $4 a disk (free) Shipping paid by buyer Works good, no issues This is the same tester the LFS uses and charges you for the results Venmo accepted This brand new is over $1000 Only a few months old This is only for saltwater testing

Hanna Instruments 7 in 1 Marine Checker/Photometer ^ ^ II II II II Has anyone had any experience with one of these? I know they are new to the market; I don't even know if they are released yet...

Two great smartphone apps make one great solution for the Marine Aquarium market. Rock Hill, SC – eXact iDip® 570 Marine Starter Test Kit, announced an exciting partnership with ReefTrace Live™ for premier testing of marine aquariums using a smartphone. The eXact iDip® 570 Marine Starter Test...