This stage is about the visual aspect of the pool, to give you a visual idea of how things will look, and you are possibly able to work things out for yourself  by looking at the pictures

trying out colour on concrete......not render

coloured rocks ............white rendered pool

rendered ...kiddies pool area....notice kiddies pool inlet pipe and outlet

smatter of natural grey on the rocks

notice gate

notice the change of colour as you walk in the pool