I haven't been happy with using a spraybar, because the water circulation doesn't seem to be very good using one. I switched to a single outlet, a fitting the produces a 2" x 1/8" jet, and the flow is much better. I think the spraybar is an idea that looks very good on paper, but in reality it isn't that good. I'm guessing that Amano doesn't use them for that reason. The glass lily pipes are both a good design for water circulation, and a great looking, thus easily marketable accessory. But, glass lily pipes are obviously going to require a lot of cleaning to remain that good looking in the tank, plus being very vulnerable to breakage.
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hoppy
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