Anyone have any idea why I'm losing water? It's dropped from the black line in the space of a few hrs? Salinity is stable at 1.025 so it's not evaporation and there are no leaks
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No DT is stableIf the water level has risen in the DT, it could be a blockage in the overflow to the sump?
The overflow is filled as much as the emergency pipe and just silently trickling down it, same as last night. Should I top off with RO or salt then as the salt level hasn't changed?If the water isn't on your floor, then its evaporating. Mine is evaporating 1-1.5g per day... now that its winter and the heat is on in the house, even more! That small amount may not be showing up on your salinity gauge.
Is your overflow box filled up completely to the same height and not fluctuating?
Then if your floors are dry, and the display tank level is unchanged, it's evap.No DT is stable
rodiThe overflow is filled as much as the emergency pipe and just silently trickling down it, same as last night. Should I top off with RO or salt then as the salt level hasn't changed?
Ok thanksThen if your floors are dry, and the display tank level is unchanged, it's evap.
The overflow is filled as much as the emergency pipe and just silently trickling down it, same as last night. Should I top off with RO or salt then as the salt level hasn't changed?
I'm using a newly calibrated refractometer so I'm fairly confident it's accurateYou should also make sure the method you are using to measure salinity is accurate. If you are using a hydrometer or a malfunctioning refractometer, it could be telling you your salinity is close to 34-35ppt when it is actually higher due to evaporation. I suspect this is the case. As Idoc and XNavyDiver said, if there's no water on the floor, then there's only one place it could have gone, and that's into the air.
I'm using a newly calibrated refractometer so I'm fairly confident it's accurate
A habit I've gotten into is calibrating my refract before every use. I use 35ppt calibration fluid and almost without fail, I have to "tweek" it just a tiny bit to read 35. Then I immediately re-check my calibration adjustment. Then I take my reading.