Thrive 6 Potassium Bottle 20.3 oz (600ml) Print this pagePrint this page
Thrive 6 Potassium Bottle 20.3 oz (600ml)
Price: $18.95


To get more familiar with this quality professional grade Thrive 6 Potassium Bottle 20.3 oz (600ml).

  • Thrive 6 Potassium Bottle is designed to increase potassium in your SPS or low nutrient reef aquarium.
  • Potassium may also be depleted by bacteria.
  • This is a saturated solution of potassium sulfate and potassium chloride.
  • Using stronger solutions with more potassium chloride may brown corals.
↓See detailed description below.↓

Thrive 6 Potassium is designed to increase strontium in your reef aquarium. Some reef aquariums will need supplementation of strontium for stony corals to thrive. Strontium is used by both SPS and LPS corals in calcification..

When purchasing more Thrive 6 Potassium you can refill your bottle with the Thrive 6 Potassium Refill 20.3 oz.

Directions for Use:

Determine the potassium in the aquarium before supplementing. For best results obtain a Thrive Prescription at your local fish store or at If not using a Thrive Prescription: Add 1 ml per 10 gallons daily until the desired potassium target is obtained. Then dose weekly as needed to maintain potassium at 390 ppm to 420 ppm. Dosing without testing is not recommended. Advanced Directions: Each ml of Potassium will increase the potassium in 1 gallon of water by 6.2 ppm . Add Potassium at the maximum rate of 1 ml per 1 gallons every day until your target potassium is reached. Then dose weekly as needed.