i also have a 5 gallon bucket full of wet live sand. it's VERY heavy. it's for free, but all i ask is that you can bring me another 5 gallon bucket b/c i'm always running short on buckets. this stuff WILL cycle your tank again b/c there is lots of die off in the sand. it's a mix of crushed coral and saouthdown. mostly southdown. i would say it is about 50-70 of dry sand.