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Coralife Deep Six Saltwater Salinity Hydrometer| Enlarge

Coralife Deep Six Saltwater Salinity Hydrometer


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Coralife Deep Six Saltwater Salinity Hydrometer

Product Description

The re-designed deep six hydrometer with improved calibration and bubble diffuser ensures more accurate readings of your aquarium salt levels. The unique design of the Coralife Deep Six Hydrometer allows aquariumists to take water samples at six inches in depth without submerging their hands in the water, thus avoiding the possibility of contamination. Samples taken at six inches in depth have been proven to result in a more accurate salinity reading than surface samples. Dual readings in both salinity and specific gravity. Reliable, easy to read and accurate to +/-0.0001 specific gravity units. Designed to give temperature corrected readings in warm water aquariums 20-29.5°C (68-85F).
  • Specific Gravity and Salinity PPT Scales
  • Optimal Specific Gravity / Salinity range indicator on scale
  • Bubble diffuser on water intake prevents micro-bubbles from forming on needle

Cleaning: Periodic cleaning is recommended to remove deposits that can accumulate on pointer, causing inaccurate readings. Soak hydrometer in mild acid (vinegar) for 30 minutes, then rinse with fresh water.

Recommending Specific Gravity Recommended specific gravity for most marine aquariums is between 1.021 and 1.023. Recommended specific gravity for most reef aquariums is between 1.024 and 1.026.

Directions: Before using the Deep Six Hydrometer for the first time, fill the hydrometer with salty water and allow it to sit for 24 hours to season the needle.

  1. Submerge hydrometer approximately 6" below water surface until water reaches the fill level line.
  2. Remove hydrometer and place on a level surface.
  3. Air bubbles adhering to the pointer will result in inaccurate, high readings. Gently tap hydrometer to dislodge any air bubbles.
  4. Read specific gravity on inside scale and salinity in parts per thousand (ppt) on outside scale.
  5. Rinse with fresh water after every use.

Cleaning: Salt deposits that accumulate on pointer will result in incorrect readings. If salt crystallizes inside unit, soak in lukewarm fresh water or vinegar for 30 minutes, rinse with fresh water and let air dry.

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