Are Stainless Rainwater Tanks all stainless steel?
Only 1 or 2 items in the tank are not stainless steel. One is the tank overflow which is a molded PVC fitting. Our tanks larger than 3m in diameter have a PVC center prop. Some customers insist to have this center prop replaced with a stainless steel prop to ensure there is no contact of water with plastic at all.The tanks are sealed (like all steel rain water tanks) with potable water approved silicon. Q: How long can I store water in my tank before it goes off? Provided your tank is clean, mosquito proof and the water is not exposed to light, then the water will last many years even without jeopardizing the drinking quality. This is a qualified statement, assuming your tank is made from stainless steel. Q: Is its safe to mix town water with rain water? Strictly speaking, NO. There is hard scientific evidence that chloride used in town water reacts with the organic compounds (e.g. leaf residue) in your tank to form trihalomethanes (TMHs). THM is a known carcinogen (causes cancer) Q: W
