Peat : filter medium

Filter Compatibility: Compatible with Fluval filter models: 106, 206, 306, 406, FX5, FX6, 105, 205, 305, 405, 104, 204, 304, and 404. Water Softening

Fluval Aquatic Peat Granules, Chemical Filter Media for Freshwater Aquariums, Water Softener, 17.6 oz., A1465

Reduces carbonate hardness and pH value, prevents growth of algae, adds natural humic substances: active peat pellets for the use in aquarium filters.

JBL Tormec Activ Aquarium Peat Filter Media Lowers PH Fish Tank Acid Buffer

Eheim Torf Peat Pellets - 1L (2511051)

Sera Filter media super peat 500 g 72054

Alternative sorption filter materials effectively remove non-particulate organic pollutants from stormwater - ScienceDirect

Filter Compatibility: Compatible with Fluval filter models: 106, 206, 306, 406, FX5, FX6, 105, 205, 305, 405, 104, 204, 304, and 404. Water Softening

Fluval Aquatic Peat Granules, Chemical Filter Media for Freshwater Aquariums, Water Softener, 17.6 oz., A1465

Green Risks: Costs to Maintain Alternative Septic Systems

AquaClear 70 Filter Media Bags [HG 11366] : Creative Pet Supply

The strange dichotomy of peat moss - Tannin Aquatics

Puraflo - Packaged Filter Systems by Tricel

Environmental Review Toolkit

REPLACING FILTER MEDIA: WHY AND WHEN? - Fluval Aquatics Canada