I've been going back and forth on how to rescape my 40 breeder. Currently it just has sand substrate with anubias and java fern tied to driftwood and some crypts through out the tank. It was a low light system but I want to plant it more densly now and go for a nature style aquascape, but still no CO2. Originally I was going to go the aquasoil route, but have now realized that with the current stand i'm using I worry that weight may be an issue since I will need to use more aquasoil and some seiryu stone for the scape. I can't change the stand so that's out. Now I am wondering if I will still be able to achieve the scape I envisioned but minus the aquasoil and instead simply use the sand and root tabs. Note that the sand is a largely grain size than PFS. Any thoughts of if I can pull this off with the root tabs and liquid ferts or will I run into deficiency issues?