Here's a link to the Natural Sea Water thread with experiences of old members who collected and used NSW...
http://www.bostonreefers.org/forums/showthread.php?6090-nsw
http://www.bostonreefers.org/forums/showthread.php?6090-nsw
Ahhhh, 2005, the good old days when we bragged about GSP and toadstools, and PC light was all the rage as well as DE halides
nemodan , any updatgs on mag
Ships for free 4.99 from Petco if under about 25-30 gallons. If order more then huge shipping. Shelf life is over a year on box.
Still way more expensive than making it. Good to have as back up for quick water change though.