Lunchbox Frag Container (22 frags) Blue Friday however being able to use

however being able to use less and see faster and better results more thanmakes up for this

Holds up to 2 standard probes

It does not contain attractants

If you have a hard time seeing the fuzzy blue line common with traditional refractometers

Lunchbox Frag Container (22 frags) Blue Friday however being able to useFlexible Coral Spacing in the patent pending Slide Loc channel. Tightly fit or spread apart for aggressive coral. Reversible Coloration Black or white to display or help spotting pests in coral dips. Also reflects light for even growth and more light near bottom of tank where par is lower. Use with small, medium, or large plugs. Holds up to 22 small plugs, 12 medium large, or a combination. Water tight, high quality, durable containers & no hassle