Prodibio Bio Clean, Nitrifying Bateria and Nutrients, Salt Water, 30/1 mL vials, 30 gal and up Aquarium Hydrometers place it on a dry

place it on a dry surface (like a clean paper towel) for about 30 seconds and compare with the chart for accurate results

Vitachem Fresh has 30

Trusted Formulation: Trusted and highly recommended by professional aquarists

one strip tests for 8 water parameters at one time

Prodibio Bio Clean, Nitrifying Bateria and Nutrients, Salt Water, 30/1 mL vials, 30 gal and up Aquarium Hydrometers place it on a dryBrand: Prodibio Features: Available in Nano Range 1 vial per product up to 15 gal 15 days; Standard Range 1 vial per product up to 50 gal 15 days Long shelf life thanks to single dose glass vials being packed with argon gas to eliminate oxygen; Bacterial products lie dormant until used Glass vials are tinted; Active ingredients are protected against UV exposure Concentrated formulas are highly effective and economic Does not require refrigeration;