Waterchanges and nitrate in broodstock
Thursday, February 16, 2012 8:15 AM
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So my brand new API nitrate test kit says I have somewhere around 60 ppm. The well expired Salifert kit reads around 40 ppm. Either way, I think it is too high. So I have some questions for you guys... Currently I am changing the filter sock 3 times per week. There is about 2-3 gallons of bioballs in there that appear clean. I have a EuroReef RS-180 skimmer that really doesn't pull much skimmate on this ~110 gallon system even though I have the air turned up full blast and the gate valve mod dialed back I just get some light tea colored skimmate...maybe 1 cup per week. I wonder if it doesn't perform as well in the low salinity of 1.020? I am doing 2x per week waterchanges of about 15 gallons. So...do I need to do bigger waterchanges? Increase salinity so skimmer works better? What size waterchanges do you guys do? What nitrate level do you like to keep under?
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