this is how i spent my bank holiday afternoon. gonna upgrade the return pump on the perc 90 from 1000 lph to 2000 so i can feed this.
and reef flush in action used a 1.5mil drill bit on some waste pipe. drilled holes to keep the bottom clean (insert joke here) and some to clean the rock up from underneath. needed quite a lot of holes, just kept drilling and testing to make sure i had just enough to have the pressure on the jets enough to avoid wear on the pump.
drilled some more
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