Chainsaw Fuel Problem. How to Spot Water Due to Ethanol in Fuel and Prevent it.

How to tell if you have water in your gas / petrol. What it looks like. What causes it and, what to do about it.
Water in 2 stroke gasoline petrol is usually caused by ethanol in fuel absorbing moisture from the air. Over time as the ethanol evaporates it leaves the water behind.
1. Always use fresh fuel.
2. If you can't use the fuel you buy in 30 days, then buy less.
3. Always use a good quality fuel / ethanol stabiliser.
4. Always keep your refueling environment clean from debris.