Difference between revisions of "K"

Latest revision as of 19:53, 18 September 2011

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Potassium (K)

Sometimes called 'potash'.

Potassium is an essential mineral micronutrient in all life. So aquatic plants require it in order to grow.

It is most commonly used as a plant fertiliser.

For example:

• Potassium bicarbonate (KHCO3) also called Salt of Tartar or Kaligreen.

This increases KH without increasing GH and adds K and CO2. Increases pH.

• Potassium carbonate (K2CO3)

This increases KH and GH. May increase pH.

• Potassium nitrate (KN03)

This is very commoningly used as a part of the PMDD (Poor Man's Dosing Drops) mix to add nitrate to a tank.

• Potassium hydroxide (KOH)

Used to increase pH without affecting GH or KH.

Links[edit]

• The Krib - Practical PMDD Information
• PMDD mixes US