Potassium sulfate (K₂SO₄), also called potassium sulphate, is a water-soluble dry aquarium plant fertilizer that supplies potassium and sulfur for freshwater planted aquariums. Use it alongside other fertilizers as part of a balanced nutrient routine.
Product details
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Net weight: 200 g
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Packaging: Resealable jar for convenient storage
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Nutrients supplied: Potassium (K) and sulfur (S)
Guaranteed Analysis:
Soluble Potash (K₂O) – 51%
(42% Potassium)
Sulfur (S) – 18%
Derived From: Potassium Sulfate (CAS 7778-80-5)
Part of your planted aquarium routine
Potassium sulfate lets you supplement potassium without adding nitrate or phosphate. It is one ingredient in a fertilizing routine; your plants may also need nitrogen, phosphorus, magnesium and trace nutrients from other sources.
Dosing
Your dose depends on actual aquarium water volume, the product’s analysis and the nutrients already supplied by other fertilizers. Weigh dry fertilizer with a suitable scale and account for overlapping nutrients when combining products.
Open our fertilizer dosing calculator
Use the product’s guaranteed analysis when planning your dose. Calculator results are estimates of nutrient additions; adjust your routine using plant growth and water tests.
If preparing a concentrated stock solution, keep this product separate from calcium-containing fertilizers to avoid precipitation.
Storage
Keep the jar tightly sealed in a cool, dry place. Keep out of reach of children and pets.
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