sometimes when something actually works, we take it for granted... I have 2 double filter cartridge hang on back filters, that are like 35 years old... I figured out decades ago, I didn't have to buy the slip in cartridges to use them... they both started up fine, when I tried to restart them, when I filled the tank, after my 30 year break in the hobby, about 3 years ago... at that time, I put a monstera in each, in one of my hang on pots, filled with ceramic media, and the big filters have been chugging away for the last 3 years, without any kind of service, or even another thought... last night, one started making noise... so the electric field coil is still good on the impeller, either the silicone dobbie on one of the ends finally wore through, or a root from the monstera finally found it's way to the impeller... but either way, it's going to require a major plant intervention of a pair of 3 year old Monstera vines growing together to their hearts content... I'm probably going to have to chop it up and make cuttings, just to find my way to the filter... this is the bichir tank, that is in a nook, under 2 of my other 55 gallons, and only visible from my work area, and the plants have completely filled the nook, totally entwined... sounds like a Sunday after church job...
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