Seachem Flourish Potassium


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$8.99

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Flourish Potassium™ contains 50,000 mg/L of potassium suitable for the natural planted aquarium. Potassium is one of several elements that are vitally important to maintaining a vigorous level of growth in a planted aquarium. Potassium can become depleted in a rapidly growing system or when the source water has a low mineral content. In these cases potassium could become the limiting factor to growth. Use Flourish Potassium™ to prevent potassium depletion (signs of which include yellowing in older leaves) and maintain the highest level of growth.
The most easily obtained sources of potassium are potassium nitrate and potassium phosphate. Both of these sources add to either nitrogen or phosphorus as well as potassium, making it virtually impossible to target a specific NPK ratio. Flourish Potassium™ is derived from potassium sulfate, allowing the user to adjust potassium levels without affecting nitrogen or phosphorus.


Sizes: 50 mL, 100 mL, 250 mL, 500 mL

Directions

Use 1 capful (5 mL) for every 125 L (30 US gallons). This dose raises potassium by 2 mg/L. Repeat 2–3 times per week or as needed in response to signs of potassium deficiency in older leaves which include: chlorosis (yellowing), necrosis (death/browning), pinholes in leaves, and weak stems and roots.

FAQ
How much Flourish Potassium™ is equivalent to 1 teaspoon of potassium sulfate (K2SO4)?
A: About 50 mL.

Does carbon in the filter remove Flourish Potassium™ from the aquarium water?
A: No

Is Flourish Potassium™ safe for shrimp?
A: Yes, Flourish Potassium™ is safe for freshwater shrimp including Amano shrimp (Caridina japonica)

I was wondering how do I know how much potassium to add, if I can add too much, or can I test for it. I use Equilibrium™ first then add potassium every other day. Any suggestions and is there a potassium test available?
A: Potassium is a major nutrient and I've seen a wide range of recommended values all with good success between 30 - 120 ppm. Our Equilibrium™, if used at the recommended dose, will raise potassium to 50 ppm. The recommended dose of Flourish Potassium™ will increase potassium levels by 2 mg/L. As of now we do not manufacture a potassium test kit but there are some on the market that are available. The rate that you are dosing Flourish Potassium™ is definitely acceptable as this dosing regimen, along with using Equilibrium at water exchanges, should maintain potassium levels around 50 ppm depending on rate of consumption by your plants.

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