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water changes and feeding
as angular sand often gets stuck in the coralites
For multiple tests it is best to use Alkatronic
HI758-11 - CAL Check™ standards for calcium in salt water must be ordered separately
Aquarium size 3000 to 6000 liters
Waterbox Refraktometer ATI water changes and feedingThe 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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