I have had this tank running for 20 years with 3 pumps. 1 pump to tank, 1 pump to chiller & back to tank, 1 pump to protein skimmer & back to sump.
It is a 200 gallon, same as yours. 2 Mak IVs & Iwaki 40 RLXT.
Pretty sure I am running 1" (2) standpipes.
Caluprea grows by the bucketload, pods, mysis everything growing in sump with all pumps running thru it.
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