KISSfn
Fish Herder
Why did Eheim choose the color green for their tubing? Was it to stress me out? Here's my story: The other day after some reading on here about filter maintanance I decided it was time to give the Eheim Ecco Pro 60 a once over. So I disconnect it and take it to the sink for my inspection. I notice a build up of algae on the impeller housing so I give the housing, impeller and all related parts a good algae removal. I hook it back up, prime it and plug it in..............Massive volumes of algae come blasting out of the outflow tube to my utter horror! I wish somebody could have taken a picture of my face at that very moment. You never saw somebody lunge for a power cord and disconnect it faster than I did that day! Turns out my cleaning had greatly improved the impeller's power thereby blasting the camouflaged algae hidden in the green Eheim tubing! I was amazed at the huge amount of junk I was able to extract out of those 2 tubes! I should have taken a picture. So to those of you with the pretty green Eheim tubing i say, clean often, or suffer the consequences! 

Thanks!