Purchase an AQUASPIN photometer and receive a free box of Freshwater AQUASPIN disks or carrying case (discount reflected at checkout, must add qualifying items to cart)! SALTWATER disks are limited to 6 cases per a two week span, but orders ship free (ground shipping) with saltwater disks purchases until 10/31/2021!

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Fill out the below form for more details regarding AQUASPIN™ and/or Store Use Products. An API sales representative will respond to you within one business day.



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