Brightwell Aquatics Florin-K Potassium Source Fertilizer for Planted Fresh Water Aquaria, 20 liter / 5.3 gal.
* Concentrated source of high-purity potassium, required by plants for enzyme activation in a number of biochemical reactions.
* Stronger than most competing products.
* Formulated utilizing extensive research on aquatic plant nutrient requirements.
Item No. PT-BA-FNK20L