Best Rock River Buffer Tube

• Contains one (1) API CARBONATE HARDNESS TEST KIT Aquarium Water Test Kit, including 1 bottle of testing solution, 1 color card and 1 glass test tube with cap
• Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss
• Accurately measures carbonate hardness in freshwater and saltwater aquariums
• KH (Carbonate Hardness) stabilizes aquarium pH.

• With return springs and leg release button, the leg length can be adjusted from 6 inches (152mm)to 9 inches(225mm).
• Made of hardened steel and aluminum, non-rust black anodized finish, the rifle bipod is duty and light weight.
• Adjustable leg length: 5 settings for different length, the bipod is ready to meet your needs.
• Quickly attach to or detach from the rifle using existing swivel stud.
• Foldable arms with spring tension control. Come with the mount adapter.