Eheim Classic 2250 in my 82 low-tech planted tank.
Mechanic : Ehfimech
Bio : Mix of Ehfisubstrat , Sera Biopur Forte rings and red lava rock (we call it tezontle)
Polishing : Azoo black sponges and Sera Floss.
So far so good, no complaints at all after 4.5 years using the 2250 with that media. Just my .02. In the next cleaning, I will add 2 100ml. bags of Seachem's Purigen after the floss to see how it works.
Regards
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Green thumbs up !!
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