How much lead and silica sand in speaker stands?

Lead shot now is expensive. I looked at the OP's system and if he is using the stands in the the photo, he needs quite a bit and sand can leak, over time, especially if you move them around. Been there, done both. I have found that small pebbles or pea gravel works very well with no need for sand and much cheaper. Very solid, no ringing and won't be a lead, sand, mineral oil mess if they need to be emptied for moving or to sell.

What?!?!?! What are you looking at? Filled with pure lead, sure, you got a point. But then they would be so massive you need a forklift. So how ... wait, I know this is asking A LOT ... but how about some common sense? Two bags of sand, $4 a bag (if its even 2 bags needed) plus 5lbs lead shot per stand.

Like I said, what this world is coming to.....  

Oh and to answer the question directly- fill them all the way up. As much as you can pack in there.

So why go to trouble of getting lead & sand, when pebbles or pea gravel will work just as well? Plus, it is much easier to deal with if a move is needed. 

" Like I said, what this world is coming to.....  "
Imagine that, someone else's view that is not yours. Deal with it.

Alright.. I've gotten a good laugh at this one, mostly at myself.. Following my OCD instincts, I went to Bass Pro this afternoon and bought 2 - 25 lbs. bags of #4 lead shot and to the hardware store and bought a bag of silica sand. I filled them up, alternating between 2 cups of shot to 1 cup of silica sand. The stands ate all of the shot and most of the sand I bought. Yes you need a fork lift to move them around! If I can find my scales, I'll weigh them. I might have gotten carried away, but I don't imagine they'll be ringing.
Love the way the LS-50 Meta's are bolted to these KEF stands. 

https://en.wikipedia.org/wiki/Lead_poisoning#:~:text=Exposure%20at%20work%20is%20a%20common%20cause%....