Blimey thats like chucking a bunch of needle's in a haystack and looking for the first one that landed ? Im using np pellets and have lowered my nitrate to 0 ,still using phosphate media to lower it to 0 ! I have had different corals react and my nutrient levels dropped slowly my sps are doing great ! softies i.e leathers struggling unless in better direct flow ! lps lost a goni and loosing a hammer probably down to a LNS ??? They certainly lower your nitrate but imho if your keeping a mixed reef perhaps a higher than 0 NO3 would be better ???????
Thats my findings and it's getting silly imho you have listed 14 looks like there all on the band waggon perhaps the cheapest might be better ?
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