Two Little Fishies Hydrocarbon for Aquarium Water Purification, 4-Liter
Granular Activated Carbon designed specifically for water purification. Removes dissolved organic compounds that turn the water yellow. The extremely porous granules are the optimum size for use in high capacity filters, allowing high flow at minimal backpressure. Positively does not leach Phosphates. 1 Liter jar and 4 Liter bucket.