honestly i just glue them no unions at bulkheads
bulkheads are cheap unions expensive and unless your moving the tank on a regular basis ill spend the $20 bux later for new bulkheads and a couple couplings
you dont need shut offs on your drain lines
i dont have them on return lines either just 1 at the inlet and outlet of the pump for maintaince
i have 3 reactors running off my return pump(SOOOOO much easier) and those 3 lines have shut offs
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250G DD LED SPS R.I.P.
180G LED SPS
80"x36". 300G custom build
Owner of Mountain Ridge Heating and Gas
Class A gas fitter, HVAC
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