Re: Bong tweaking (pics)
You need to have at least 3-5 feet of pressure head left out (this is important!). Let us analyze your loop.
Your bong is 4.5 feet tall. I see pump located above the reservoir. So let us suppose your pump is pumping up water at 4 feet.
6-4 = 2ft (6 is the rated pressure head of your pump). 1ft would be consumed by bends and tiny holes of the shower. So you are left with 1-1 1/2 of pressure head which is nothing. Unless you have an extremely efficient low restriction WB, your loop is not good enough for PC cooling.
Furthermore, the water serves two purposes in the pump (besides being pumped).
a) To lubricate
b) To cool down the pump itself
If the pump stalls (impeller is at low speed due to restriction(s)) the pump gets hot. In long term (few days) your pump, will eventually burnout.
BTW, is your pump submersible?
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