100% correct and I completely understand. the first couple of weeks after putting them in I was doing 30 to 50% a day,,, then backed off and went to around 10 to 15% a day. I feed 3 times a day Bloodworm, Northfin Krill, Flakes, Tubifex freeze dried worm Beefheart 2 to 3 times a week.
The substrate has been removed now to a very thin layer, 1cm, and the plants have been trimmed and put into sml pots. The tank gets cleaned daily and the prefilter pad in the sump gets changeed every other day. Nitrates 5ppm GH 5, Kh1, Ph 6.8 Temp 29c
After re-scape and large water change,, water a bit cloudy.
Will remove most of the remaining sand over the next couple of w/c's