PARA-GONE flex contains a reducing agent that

contains a reducing agent that helps convert any iron present (such as iron from substrate) into the ferrous form

complex organic coenzymes

this will help reduce the amount of plastic aquarium products and rare earth minerals and metal going to landfill

Tip: the weir on the PR-S2 is a great place to conceal the Aquarium heater

PARA-GONE flex contains a reducing agent thatDetails Aquasonic Paragone tablets aid in the control of most external fish parasites including Fish lice (argulus spp), Gill Flukes (Ergasilus spp) and Anchor worms (Lernea spp). Directions for Use: Not to be used on fish intended for human consumption. Fish rubbing and scratching on objects is indicative of parasitic infestations. Para Gone tablets aid in the control of most external fish parasites including: Fish lice (Argulus spp), Skin & Gill