Hello, we have recently received the new Lovan Black Gold High Density Speaker and Audio Stand Filler. It is very effective and easy to use. It is not dangerous as lead, it does not absorb moisture as play sand and kitty litter. It is supplied in plastic "easy to pour" jugs. It is made up of fine black silica and ferrous materials. So far, all purchasers have had positive results.
Cheers
Cheers