I would like to add about 40lbs of LR, some LS for DSB, Refugia/Mud, AND not have to recycle or loose my current major life forms. Any tips? Can I add the LS on top of my current substrate?
current: running 1 year old 75gal, MH's, 55lbLR, RO/DI water, trickle filter, Remora skimmer, Magnum350...