Seapora Filter Media Bag - 12" x 8" - Pack of 12 Cages and Accessories no free ammonia is released

no free ammonia is released because the ammonium in Flourish Nitrogen is complexed and unavailable until utilized by the plants

and 1 x Temperature / Humidity Gauge to monitor the environment

Reduces gurgle noise from water drain

Dried Lactobacillus Casei Fermentation Product

Seapora Filter Media Bag - 12" x 8" - Pack of 12 Cages and Accessories no free ammonia is releasedSeapora media bags are perfectly suited for use with Carbon, Zeolite, Peat, Phosphate removing resins or any other loose media your aquarium may require. They are ideal for use in almost any kind of filter, and feature a durable drawstring design making them fully reusable. Safe for freshwater, marine, and pond applications. 12" X 8".