Happy fish
My first external filter, easy to set up even though I had to cut the intake and the output pipes, because of their length - did not fit my 160 litres fish tank. But it was a simple job, heated up a knife with a lighter a it went through the pipes like a butter. I do not use the zeolite and carbon media, only the foams, own alfagrog media and the balls supplied. The water is clear and the fish are happy :)
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