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ETSS skimmer=no foam?


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has anyone had any issues with an ETSS downdraft skimmer? I've had mine for a year now, and I've never really seen "good" foam production, I only ever get a tiny bit... only about 2-4 cups of goo in the past 3 months? My nitrates are always really really low if not non exsistent, and my fish load is fairly high so I should get something I would assume. But its never been great, and if I increase the height of the water in the skimmer at all water starts pouring out of the top of the downdraft column.


its this one in the link, running with 700GPH on it



Anyone know have an idea? or any fun mods i could do to turn it crazy foamy?

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