I press my siphon HARD into my carpet of MC. It's amazing how much crap I suck out.
I then place the siphon near plants I'm uprooting, which sucks all the crap away as I lift the plants out of the substrate.
I then swirl and swish the siphon around thew rest of any accessible area of substrate.
I don't care about removing nutrients, I dose 30ppm NO3
, 5ppm PO4
, 30 ppm K
weekly and micros daily. Organics rot and feed algae (ammonia) fertilizers do not.