Tank Rebuild

[adidas]

take it out and go bare bottom..

[whiteice669]

I also changed out my cc for caribsea seaflor, just vac it with a siphon tube, prerinsed the new stuff, put it in small plastic bags, sunk it to the bottom, and slowly poured it out, tank clouded up over night, but all was good in the am

[BCOrchidGuy]

Yep, done it a few times, Siphon it out, dump the water back in, siphon some more until it's all gone.

As was already said I'd avoid crushed coral, my reasoning though is that crushed coral tends to leak phosphates which mean food for algae. I'd go with a course aragonite. I'd also avoid black substrate as it absorbs a lot of your light where natural/white will reflect a lot of light. It made a huge difference in my tank, I had the black and it looked sooooooooooooo dark and .. well unlit, I siphoned it out and put in natural and WOW everything looked so much better.

Doug

[demon666]

i agree no cc..... when i swapped my tanks over i also put my rocks in first and poured the sand around the rock i just used a measuring cup and slowly lowered it into the tank allowing the water to slowly cover the sand in the cup..... my tank was cloudy for less then 3hrs... dont worry about the spots you cant get at.... the critteres will push the sand there and the current will also move the sand around..... i didnt use all the sand i had that way if the sand moves and i dont like the look i can always add more....... i had the black sand in my first tank and it looked great for the first 3 months then it just looked very dirty and speck of anything white will show up on it if you go black make sure you have alot of sandsifters in there to keep it looking sharp.......

also jm2c