Transcript of Heart Disease and the Excretory System. Heart Disease and the excretory Heart disease slows the oxygen flowing throughout the body. So oxygen moves slower to the excretory system.
The most likely causes of a shift in pH are: 1  Something in the water source buffering the water. 2  Something in the tank buffering the water. 3  or Something you are adding to the tank.
Why the pH Level Matters. If your pH level is too high, the water is too alkaline and will begin to cause the formation of scale on various surfaces within the pool and equipment. If your pH level is too low, it is acidic. This will cause corrosion on surfaces in your pool and on your pool equipment.