didn't try it yet and ya i know what u meen, an SG of 1.040 probably
isn't the most comforting parameter, but considering it's only for a minute
it's probably still useful to quite a degree. -and u take the good inverts out
right away right same with the live rock, so IMO still wud consider it, but heres the link that i got it from>>
http://liveaquaria.com/general/gener...ral_pagesid=59
-and it's labeled> Helpful Tips for Controlling Unwanted Pests: