I think you can get a great deal on BRS stuff if you have a group buy. Even with high cost shipping, my personal order stuff from them work out very close to what it would cost me to get stuff from ChemMaster delivery to my door.
Plus, following their instruction has been worked out for me very well lately. I went from weekly testing to monthly testing and my params are still very good and stable. However can't beat that 1 dollar per pound tho.
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