HOBBY Humin Faser (Peat) teen topless selfie pics Public Nudity and Flashing FlashingJungle.com. A ideal spawning substrate for the breeding of your tropical, subtropical and indigenous fish. As a filter medium it slowly gives off humic acids and important trace elements over a period of time. This enables the care of fish which are difficult to breed, and who demand special requirements. ideal for breeding tropical, subtropical and indigenous fish as a filter medium it slowly gives off humic acids and important trace elements through acidification and lowering of the pH value, Humin Faser adjusts the aquarium water to the living conditions in the native waters of the fish meets the requirements of fish which are difficult to breed increases successful breeding