How to Adjust the Water Flush Level on an Ideal Standard Toilet

To adjust the water level with inside the tank of a Ideal standard Toilet system is very simple. You adjust the plastic float by turning the moulded nut either clockwise or anticlockwise. On my system, clockwise, raises the float upwards, and and allows more water into the system, and anticlockwise lowers the float and reduces the amount of water. There is usually both a minimum and maximum line on the back of the toilet.
Be careful not to adjust the float either too low or too high, as this can cause it to stick to the side of the housing and not work correctly.