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Elos Extra Potassium+ 250 mL

Elos Extra Potassium & Strontium 250 mL
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  • Elos Extra Potassium & Strontium 250 mL

Elos Extra Potassium+ 250 mL

SKU: 207724

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Quick Overview

Potassium is naturally found in seawater with concentrations similar to Calcium (380-410 mg/liter). In most tanks, Potassium is rarely deficient. However, in an aquarium utilizing ZEOlith filtration media, Potassium can be depleted. Elos Extra Potassium+ contains potassium and strontium in a natural ratio to maintain the correct levels in your reef tank.

Elos Extra Potassium+ is part of Elos Extra Line of highly pure aquarium additives boasting the best form for introduction into seawater.

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Full Details

Elos' Recommended Dosing

  1. 1. Test the level of potassium in your tank.
  2. 2. If your tank shows a potassium deficiency, begin dosing.
  3. 3. Shake bottle before use
  4. 4. Add 5 mL of Elos Extra Potassium+ per 26 gallons (100 liters) of tank water per day
  5. 5. If Potassium levels are below 300 ppm, dosage can be doubled.
  6. 6. Once proper levels of Potassium are achieved, Elos suggests testing a dose of 1-2 mL per 26 gallons (100 liter) per week.


  • If Potassium levels become too high there may be extra algae growth. Elos recommends halting the dosing and after 15 days beginning the dosing again at 50% of the original dose.



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