Fine Mesh Protective Koi Tunnels Accessory We also recommend leaving air

We also recommend leaving air space around the bottom if applicable

API® Pond Fish Food is formulated to support health and immune systems in pond fish

and 1&1/2" at the bottom

surface agitation

Fine Mesh Protective Koi Tunnels Accessory We also recommend leaving airThis fine mesh Koi Tunnel provides shelter and shade that your Koi need, whether hiding from the heat or from predators. The frame is made of black PVC rigid pipe, making it discreet and very sturdy. The mesh netting that covers the frame is UV treated for a longer lifespan and optimal shade coverage. No glue or harsh chemicals are used, making it fish safe 80% shade factor for best shelter for your Koi Made in the USA SKU Description Assembled