I started to use CS (i didn't have pure .9999 or even .999 silver) about 3-4 weeks ago on 3 ladies. To my surprise I now have half formed male sacs .... just a little longer and they should start to pop!! **** I EXPERIMENTED USING STERLING SILVER **** AKA 925 silver. I run my batch for 12-24 hrs (usually closer to 24hrs since i don't have a proper PPM meter for this solution so I leave it as long as possible to ensure high PPMs). My only worry is that the male sacs may turn out sterile due to weak solution or using .925 sterling silver ???? But so far so good ..... and i did prematurely open an immature pollen sac and there was the making of a male pre-flower/banana inside!! I'll put an update soon.
**** I realize you are not suppose to drink this type due to the impurities like nickel and copper...... it is TOXIC for human consumption!!***
UPDATE: The sterling silver solution or/ suspension spray confirmed to work!! my female R2 is now covered with male balls!! Next step is to pollinate a non-sprayed (pure female w/ no cs or sterling silver treatments) R2 and then R2 x G13.