Grey Water Bladder FAQs
Grey Water Bladder FAQ
Grey water bladders are for wastewater only — sinks, showers, washing machines. They use non-potable materials with larger waste fittings (1½" inlet / 1" outlet). Drinking water bladders use food-grade, AS/NZS 4020 certified materials. Never mix them.
20L (GW20BLP) for weekends, solo travellers, or shorter stops. 40L (GW40BLP) for families, extended touring, or larger groups. Both are just 120mm high.
Yes. At 120mm low-profile, the box design slides neatly under caravans, camper trailers, and 4x4 trays where rigid tanks won't fit.
GW20BLP: ~700 × 350mm
GW40BLP: ~780 × 485mm
GW20BLP: ~700 × 350mm
GW40BLP: ~780 × 485mm
Fill: Connect waste hose to the 1½" inlet with ball valve — open to fill, close when full.
Empty: Remove cap from the 1" outlet and drain at approved dump points.
Simple, controlled, no mess.
Empty: Remove cap from the 1" outlet and drain at approved dump points.
Simple, controlled, no mess.
Yes. Australian made from heavy-duty PVC with 25mm HF and hot-air overlap welds. Reinforced bottom-supported webbing handles (runs underneath for safe lifting). A self-adhesive repair patch is included.
20L full = ~20kg (manageable for one person).
40L full = ~40kg (recommend two people or sliding/dragging).
The bottom-supported handles help, but these are designed for positioning, not long-distance carrying.
40L full = ~40kg (recommend two people or sliding/dragging).
The bottom-supported handles help, but these are designed for positioning, not long-distance carrying.
Clean: Rinse with fresh water and mild non-abrasive cleaner. Avoid harsh chemicals. Leave open to dry completely.
Store: Roll or fold flat when empty and dry — takes up minimal space.
Store: Roll or fold flat when empty and dry — takes up minimal space.
Yes. Contact us with your required dimensions, capacity, and fitting preferences — we manufacture custom grey water bladders to suit your specific caravan, camper, or 4x4 setup.
Many caravan parks and national parks now require proper grey water collection. When free camping, it protects rivers, beaches, and bushland. This bladder keeps you compliant, your campsite clean, and the environment protected.
Coming Soon — Vehicle Compatibility Checker
We’re building a smart fitment tool that will allow you to choose your vehicle (Year, Make, Model, etc.) and instantly view all compatible water or fuel bladders. This will help you avoid guesswork, compare options, and ensure you pick the perfect fit for your setup.