Advanced Nutrients Tarantula® 1L subcategory ventilation This product contains nutrients which This product contains nutrients which are cultured in premium quality British Columbian kelp and seaweed that optimize conditions for plant growth Measurable TARANTULA Put Beneficial Microbes To Work In Your Root Zone It's a known fact that beneficial microbes in your plants' root zone assist in the processes that give your plants the vital nutrients they need Tarantula is specially designed for use with all hydroponic growing media including coco coir as well as continuous liquid feed growing systems such as aeroponics drip irrigation and emitters NFT flood and drain and deep water culture