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Which hose? If you are building a water course or you need to move water from A to B you can use any hose right? It actually depends on how much water and how far you will be moving it, so for example if you have a water course that is say 6 feet long and say 8 inches wide then a 1/2 inch hose will work, but you will get a poor water flow, this is because of the resistance of the actual hose, you will be better off with a 3/4 inch hose. Also any bends in the hose will also add to the "resistance" the worst is the 90 degree bend, you will be better off making a sweeping turn rather than a sharp 90 degree bend Also it depends on the pump flow rate, you should always use the biggest hose that your pump will connect to (if using a hose tail, remember to cut it to the size of your hose) some waterfalls you may see in theme parks and the like have 4 or 6 inch pipes, sometimes bigger feeding them. The brand of hose is your choice, but "spiral" hoses are better, since they can not normally be squashed
Typical "spiral hose" This page is dedicated to Neil from Warminster
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