Quote:
Originally Posted by intarsiabox
How often are you doing water changes? Without a skimmer I would probably do 2-3 gal per week (15-20%) minimum. This is the best method I know of for reducing nitrates by physically removing them from the system and with only a couple of gallons it only takes 15min of your time. By all means you don't need a skimmer but IMHO with a small HOB model the benefits would far out weigh any negatives as the organic material in the water column is removed before it can break down into nitrates. With religeous water changes I don't think you need to worry about the amount of trace elements the skimmer removes (I'm assuming this is the negative part you are refering to). It sounds like you actually have your tank under control all ready and have a nice set up.
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Indeed i have always been doing 2-3 gallon water changes per week.
If i were to add a skimmer, could I reduce my water change frequency? If so, how long could i go before my changes?