hello guys ok im lookign around my are for a new tank a longer / bigger one that i have either with aa metal stand or a wooden stand at the mo i have found the size tanks for around £20 second hand even found one guy down the road give his away free (everything filter the lot) for a good fish keeper. but sold / got rid of it before i could get there but no worry. ok say i buy this tank and i want to move the fish into it BUT i want to put NEW gravel in this tank and not the sand i have in the old one would this be ok as im adding the walter from the old tank.? (hoep that make sence) as i don't want to loss any goodness in that it would also have the same filter same wood and same plants just differant gravel. well i ome could let me knwo if this would be safe.