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In case of severe problems
water changes and feeding
HI758-11 - CAL Check™ standards for calcium in salt water must be ordered separately
No additional hardening is required
Waterbox Refraktometer ATI In case of severe problemsThe Waterbox Refractometer is used to test the concentration of salt water. Its triple scale provides a direct reading of the specific gravity and concentration (parts per thousand) of salt in water. It provides reliable refractive index and salinity measurements of the total dissolved solids of aqueous solutions. The Waterbox Aquariums Refractometer is ideal for measuring salinity in saltwater aquariums. Whether you're monitoring the salinity of your
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