Adding HOB skimmer question ..

Ryan Rioux

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Hello , I've had my aquamaxx skimmer off for a couple weeks now , and I've finally added livestock back to my DT after a 88 day fallow period . When adding my hob skimmer back on the tank , it states to add tank water into the skimmer and begin running . When I first added the skimmer 6 months ago I remember adding RO water back to tank after filling skimmer which lowered the salinity level crazily ! The tank is a 20 long, so I want to be sure It's done properly so I don't affect salinity level again. should it be saltwater added back to tank to maintain the 1.025 level?!
 

MRRBW

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Yup. Unless you are looking to dilute/drop the salinity, you need to fill it with salt water at the same salinity as your tank.
 

cloak

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Yeah, saltwater is what you should add for the displacement.
 
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