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Maintain\r\npotassium levels between 15-30 ppm for the best plant growth, adjusting dosage\r\nas needed based on plant uptake and water testing.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eOPTIMIZED PLANT GROWTH Provides essential potassium for photosynthesis, nutrient absorption, and healthy root development in freshwater plants.\u003c\/li\u003e\r\n \u003cli\u003ePREVENTS YELLOWING \u0026amp; TISSUE DAMAGE Corrects potassium deficiencies that cause pale leaves, weak stems, and slowed plant growth.\u003c\/li\u003e\r\n \u003cli\u003ePURE, CHLORIDE-FREE FORMULA High-purity potassium supplement without unnecessary additives, supporting a balanced planted aquarium.\u003c\/li\u003e\r\n \u003cli\u003eIDEAL FOR DENSELY PLANTED TANKS Maintains stable potassium levels in aquariums with high plant demands or frequent CO2 supplementation.\u003c\/li\u003e\r\n \u003cli\u003eAMERICAN-MADE EXCELLENCE Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. 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Aquatics Florin-K High-Purity Potassium Supplement for Freshwater Aquariums Supports Photosynthesis, Growth \u0026amp; Enzyme Activation, Shrimp Safe, 500 ml\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003ePotassium is a critical nutrient for freshwater plants, second only to\r\nnitrogen in importance. It plays a vital role in photosynthesis, enzyme\r\nactivation, and nutrient transport within plant tissues. Without enough\r\npotassium, plants may experience yellowing leaves, tissue decay, and slow\r\ngrowth, especially in fast-growing or heavily planted aquariums. Florin-K from\r\nBrightwell Aquatics is a high-purity, chloride-free potassium supplement\r\ndesigned for optimal plant health. This formula ensures stable potassium\r\nlevels without unnecessary additives, making it perfect for aquariums with CO₂\r\ninjection or high plant density. Regular use supports strong roots, vibrant\r\ncoloration, and rapid plant development.Unlike many competing products,\r\nFlorin-K contains no chloride, ensuring that only the necessary potassium is\r\nadded without affecting other water parameters. It works well alongside\r\nBrightwell Aquatics’ FlorinMulti for complete plant nutrition. Maintain\r\npotassium levels between 15-30 ppm for the best plant growth, adjusting dosage\r\nas needed based on plant uptake and water testing.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eOPTIMIZED PLANT GROWTH Provides essential potassium for photosynthesis, nutrient absorption, and healthy root development in freshwater plants.\u003c\/li\u003e\r\n \u003cli\u003ePREVENTS YELLOWING \u0026amp; TISSUE DAMAGE Corrects potassium deficiencies that cause pale leaves, weak stems, and slowed plant growth.\u003c\/li\u003e\r\n \u003cli\u003ePURE, CHLORIDE-FREE FORMULA High-purity potassium supplement without unnecessary additives, supporting a balanced planted aquarium.\u003c\/li\u003e\r\n \u003cli\u003eIDEAL FOR DENSELY PLANTED TANKS Maintains stable potassium levels in aquariums with high plant demands or frequent CO2 supplementation.\u003c\/li\u003e\r\n \u003cli\u003eAMERICAN-MADE EXCELLENCE Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium.\u003c\/li\u003e\r\n \u003c\/ul\u003e"}
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Brightwell Aquatics Florin-K High-Purity Potassium Supplement for Freshwater Aquariums Supports Photosynthesis, Growth & Enzyme Activation, Shrimp Safe, 500 ml 500-ml

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Brightwell Aquatics Florin-K High-Purity Potassium Supplement for Freshwater Aquariums Supports Photosynthesis, Growth & Enzyme Activation, Shrimp Safe, 500 ml

Potassium is a critical nutrient for freshwater plants, second only to nitrogen in importance. It plays a vital role in photosynthesis, enzyme activation, and nutrient transport within plant tissues. Without enough potassium, plants may experience yellowing leaves, tissue decay, and slow growth, especially in fast-growing or heavily planted aquariums. Florin-K from Brightwell Aquatics is a high-purity, chloride-free potassium supplement designed for optimal plant health. This formula ensures stable potassium levels without unnecessary additives, making it perfect for aquariums with CO₂ injection or high plant density. Regular use supports strong roots, vibrant coloration, and rapid plant development.Unlike many competing products, Florin-K contains no chloride, ensuring that only the necessary potassium is added without affecting other water parameters. It works well alongside Brightwell Aquatics’ FlorinMulti for complete plant nutrition. Maintain potassium levels between 15-30 ppm for the best plant growth, adjusting dosage as needed based on plant uptake and water testing.

Product Features

  • OPTIMIZED PLANT GROWTH Provides essential potassium for photosynthesis, nutrient absorption, and healthy root development in freshwater plants.
  • PREVENTS YELLOWING & TISSUE DAMAGE Corrects potassium deficiencies that cause pale leaves, weak stems, and slowed plant growth.
  • PURE, CHLORIDE-FREE FORMULA High-purity potassium supplement without unnecessary additives, supporting a balanced planted aquarium.
  • IDEAL FOR DENSELY PLANTED TANKS Maintains stable potassium levels in aquariums with high plant demands or frequent CO2 supplementation.
  • AMERICAN-MADE EXCELLENCE Brightwell Aquatics is an industry-leading brand committed to providing innovative and scientifically backed aquatic care products. Made in the USA, we consistently deliver advanced superior quality solutions to elevate the vibrancy and health of your aquarium.

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.