12-17-2011, 11:53 AM
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Brown "stuff" in filter tubing?
It's been about 3 months since I've hooked up my Rena XP4 and to my surprise, there is brown "suff(?)" growing inside the tubing. I'm assuming it's an algae of sorts, but am not positive. Is there any way to clean/prevent this from happening. I cannot imagine it's good for the tank.
The other problem is I believe it's constricting flow, as when I do my normal tank cleaning, once I power the filter back on, it spits this crap out of the intake right back into the tank. So it's completely counter-productive seeing as I just completed a water change/cleaning.
My first thought was a cleaning trush, to run through the tubing. However, with Rena's tubing, it's 7/16th's I believe where as the barbs are 1/2". Therefore, you have to boil the ends to get it on the barbs and once they cool, good luck getting them off!
Here are some pictures of the stuff:
Any help is appreciated!