Brightwell Aquatics Refractometer Calibration Standard Ceramic Disc Potassium occurs at a concentration

Potassium occurs at a concentration of about 400 mg/L in full-strength natural seawater

nutrient mobilization

Aquarium salt is often used to add salts back to aquarium water

Place the probe part of the alarm into the water and adjust the height

Brightwell Aquatics Refractometer Calibration Standard Ceramic Disc Potassium occurs at a concentrationYour refractometer is only as reliable as your calibration solution! Calibrating your refractometer only takes a minute and is a critical step in ensuring your tanks saltwater is mixed correctly. 1. 0264sg 35ppt 53S Two Sizes Available 60mL great for refractometers 250mL ideal for hydrometers Calibration of any testing device is required and the more often you perform calibration procedures the more accurate your readings will be. Refractometers are