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alex gonzales · 07/15/2019, 09:09 PM

I have a large saltwater tank that I want to convert to fresh, it has built in overflows and a sump, skimmer etc, after I clean out the tank, do I continue to use my sump as my filtration, if so, do I add bio balls? Haven’t done freshwater for about 10yrs but did it for about 22 years before getting into saltwater.

07/15/2019, 09:09 PM	#1
alex gonzales Registered Member Join Date: Nov 2008 Location: Central Ca. Posts: 410	Salt to freshwater I have a large saltwater tank that I want to convert to fresh, it has built in overflows and a sump, skimmer etc, after I clean out the tank, do I continue to use my sump as my filtration, if so, do I add bio balls? Haven’t done freshwater for about 10yrs but did it for about 22 years before getting into saltwater.