Fish Bone Meal Size:6 lb The CF filter cartridge has

The CF filter cartridge has a lifespan of 6 months

Unlike mushroom grow bags

When the pre-filter shows visible signs of dirt and discoloration after several weeks

All components are sealed to IP-65 standards to maintain peak performance even in a grow environment with higher temperatures and humidity

Made with 1 3/8" top rail and 1 5/8" line posts

Fish Bone Meal Size:6 lb The CF filter cartridge hasA marine based alternative to traditional steamed bone meal and a great source of organic phosphorus and calcium (12% 17%). Derived from fresh cuttings of marine white fish processed for human consumption. The raw material is cooked and the bone is separated and dried under high temperature short time conditions. The meal is a light brown in color and is a free flowing powder with a mild fish smell and free from any foreign material or bone pieces.