its now like this. i know i need more rock but i want to get the sand bed the correct depth. and then start the rock. i just threw those in cause i had a couple of dollars left after the tank, the lights, the magfloat, the salt, the hydromator, the test kit,the heater,and the ocilating powerheads. lol so can anyone tell me if i will go through the whole milk in my tank look again if i add more aragolive sand in it