Scaffold for holding water storex tank; which is better between galvanised pipe of iron metal and cement concrete/block. I am actually thinking of which scalfold should I use for storing my storex water tank and I don't know which is better of in terms of durability, cost management and can last long.

it depends on d height... it it's 20ft downward use galvanized pipe but anything above 20ft I will advice u to use steel pipe....in terms of cost, pipe is far cheaper than concrete but you have to make sure it is bein constructed by a competent welder.., and the installation should be carefully done also