Yep, the ESP is pricy. But everyone who uses it says it is worth it... I just can't, lol. The neem oil worked really well for me, and was a fraction of the cost.Thank you very much. I finally did find the Elector PSP and it turns out, converted, it's near $250 just for one jug.
So, neem oil.
I'm not buying straw again.. it makes sense to me that being stored where wild birds come and go, it would have a decent potential to carry these mites. Read all about using sand instead.