How to make a water dispenser for rats? - briefly
Cut a short PVC tube to a length suitable for a rat's reach, connect it to a capped water bottle using a drip valve, and mount the assembly on a stable holder at cage level. Clean the system daily to prevent bacterial growth.
How to make a water dispenser for rats? - in detail
Building a reliable water delivery system for laboratory or pet rodents requires durable components, precise assembly, and regular upkeep. Begin with a clean, food‑grade container such as a 500 ml plastic bottle or a small glass jar. Cut a narrow opening near the base, fitting a stainless‑steel drinking tube (approximately 4 mm inner diameter) that reaches the bottom of the reservoir. Secure the tube with a silicone sealant to prevent leakage.
Next, attach a gravity‑fed drip valve at the tube’s upper end. Commercially available rodent water bottles often include a metal ball valve; alternatively, a small plastic ball in a tapered sleeve can serve as a simple on‑off mechanism. Position the valve so that the tube extends into the cage at a height allowing rats to reach the water source without climbing on the dispenser.
Materials
- Food‑grade container (plastic or glass) – 300–500 ml capacity
- Stainless‑steel drinking tube, 4 mm ID, 150 mm length
- Silicone aquarium sealant
- Ball‑type drip valve or homemade sleeve valve
- Drill with 4 mm bit, cutter for bottle neck
- Clamp or bracket for cage mounting
Construction steps
- Clean and sterilize all components.
- Drill a 4 mm hole in the container wall 2 cm above the bottom; insert the tube, applying sealant around the entry point.
- Attach the valve to the tube’s external end, ensuring smooth movement of the ball.
- Mount the dispenser on the cage wall using a bracket, positioning the drinking tip 1–2 cm above the cage floor.
- Fill the reservoir with fresh, filtered water; test the flow by opening the valve, adjusting until a steady stream of droplets emerges, sufficient for rats to lick without spilling.
Maintenance includes weekly cleaning with mild detergent, thorough rinsing, and inspection of the tube for blockages or wear. Replace the drinking tube annually to avoid bacterial buildup. Monitor water consumption daily; a drop in intake may indicate a malfunction or health issue.
By following these specifications, the system provides continuous, hygienic hydration while minimizing spillage and reducing the need for frequent refills.