well, i'll bite and show off my very DIY trickle tower sump.
and yes, that is saran wrap covering the wood pieces until i replace them with something that won't soak up moisture. lol
the tower was too tall to use all 4 drawers as they were, so i took out the top drawer, and placed it in the sump. yeah... little water spillage from splashback on the floor. i'm going to seal the tower to the sump by making an acrylic barrier so there'll be no splashing. *edit - fixed the leak, a barrier plate came loose, allowing water to splash out, no more leaks now
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filter sock (off for photos) and filter floss in first drawer.
pot scrubbies ahoy. i had them all lined up in colors until i had to pull out the drawers and redo them, didn't want to go through the hassle of placing them all in order, so i just put them in at random after.
drawers in use and random. there are also bio balls and fluval media in the drawers extra from old filter so i wanted to keep them active.
fourth drawer in the sump, layer of filter floss on top to help with the water noise. 300w heater is underneath said drawer.
mag pump.
rubbermaid sump with DIY lid alongside fluval 405 i'm keeping alive for when i redesign my 90g.
the back of my 300g, showing my quick rigged flexible hosing holder for my return.