Betapet Clay Lobby Log Extra Large Brands Max operating pressure: Max Flow

Max operating pressure: Max Flow - 3000 L/Hr

but that is the basis of how it is done

Tank size: aquariums up to 5 litres

Use DrTim’s Aquatics Waste-Away as a 100% natural way to get rid of the underlying cause of out of control growth of aquarium slime

1 ppm (mg/L) for each 100L of tank water

Betapet Clay Lobby Log Extra Large Brands Max operating pressure: Max FlowDescription: Betapet Clay Log Extra Large for Crayfish, Lobby and Fish BENEFITS: 33cm Long 15cm Wide 15cm Opening Clay Not Enclosed These are a great cave and some will use it as a hiding spot, play area and some fish like them as a spawning site. Natural looking and will not stain your water like real wood will. Each cave is individually made and may be slightly different in the look from the picture.