Wait… is the live rock in a saltwater tank or curing bin? — If so, go right ahead!
It is generally a good idea to at least rinse rock that has been sitting on a shelf to remove dust and such but if there was life on the rock when it was put on the shelf I would soak it for several days and change the water at least once depending on what you see. You need to remove the decayed life from the rocks. You may even need to scrub them some to remove the stubborn stuff. Chlorine bleach or Hydrogen Peroxide are your friend, but don't use both.
It is entirely possible that it is defective!
Yup! It’s installed in a place that sees membrane pressure during operation, so the gauge is defective! — I recommend reaching out to BRS and request a replacement!will this do?
Did you switch the input and output lines just to make sure it isn't labeled incorrectly? If you have and it still read zero then I agree, call BRS as it looks to be installed correctly.
I actually don’t see a membrane flush kit on your system, just the flow restrictor!will this do?
next thing i know, theres smoke and the awful smell of melting plastic. all i can think of is miami reef! after a few panicked seconds i located the smoking heater and threw it ouside. pooh. now gotta set up a new heater. sigh....
After further reading on the subject of flow restrictors, and knowing you have relatively hard tap water; I recommend getting a flush valve/flow restrictor which is closer to 800LPD, vs the 550-600LPD flow restrictor (white cylinder on black line) you’re currently using!
It's probably fine. My 100 gallon has one 300 watt heater on an inkbird. It only turns on between late October and maybe March and only a couple of times a week. If your room temperature is relatively close to your tank temperature the heater is more an insurance measure than a necessity. Where you really need them is in non-temperature regulated areas. They usually quote a guideline of 5 watts per gallon, I prefer 3 to 4 watts per gallon as a bit of a safety measure and never had a problem. Your 600 watts is a little more than 3.3 watts per gallon. Oops forgot about your sump, I don't remember how big it is so you might be pushing it a little but probably still just fine, at least for now.
I’ve got my 180g (+60g in the sump) on one 300w! the room itself, and it’s insulation do a lot heavy lifting for keeping the tank warm!
