House & Garden Algen Extract®, 5 Liter MLC high-phosphorus fertilizer specifically designed to

high-phosphorus fertilizer specifically designed to be used from the first signs of flowering all the way through harvest

Ideal for air movement from an air pump to air stones

which in turn can dramatically increase photosynthetic ability

including water quality testing

Optimized for Coco Coir: Features a perfectly dialed-in PK ratio for complete compatibility with coco coir growing

House & Garden Algen Extract®, 5 Liter MLC high-phosphorus fertilizer specifically designed toOverview Algen Extract from H&G is a Norwegian sea kelp extract that contains an abundance of macronutrients, trace elements, amino acids, natural anti biotics and vitamins. General Information Sea Kelp extracts have been used for decades as a source of nutrition for your plants. Growers using kelp based extracts note healthy, vigorous growth and an overall healthier root zone. Algen Extract is created via cold pressing which keeps the biomolecules