if im carefull doing my substrate change i shouldnt need to do a full cycle as the tank has fish in at the mom but they should all be going in the next two days to leave me 1 bristlenose called blondie who will go in my unfillterd spare tank with a lot of gravel and new ro for a day or two while i swap over the substrate and use mussels to keep the tank reasonabley mature and i will thenb add in my frends common untill i think the tank is ready for a full malawi setup but i guess im gona have to really overfeed
i will use a cheap tank safe stones that ic an find from a builders merchant