BTW, fill the lines with a soln that won't mold, eh ?
(I use a HydrX soln to fill and bleed the lines, with isolation and bleed valves at the DUT)
I just had another battle with algae, that I lost, again
multiple big tanks of warm water, pumps, hoses, valves - all to be cleaned (ASME pump test setup)
"Algae Destroyer Liquid" (0.6% Simazine) @ 1 tsp/10gal is crap, precipitates and dosen't work
going to treat as a swimming pool, clorox
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