Ive been using H2Ocean for two years....love the stuff.....so much so that I nearly had to buy it from a competitor recently because RC was in between shipments......Ive used some obscure brand that came in a bag that I cant recall the name of now, Seachem (hated it), Reefers Best (liked it but switched because of availability) and lastly H2Ocean.....
sorry to hear about the anthia mang

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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa).
http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here
http://www.vimeo.com/2304609 and here
http://www.vimeo.com/16591694