Dec 1, 2025 #1 ellisbart New Member View Badges Joined Feb 14, 2021 Messages 14 Reaction score 33 Location uk What state or country do you live in United Kingdom Rating - 0% 0 0 0 Is this Magnesium Sulphate Heptahydrate purity suitable for dosing ?
Dec 1, 2025 #2 Randy Holmes-Farley Verified Community Expert Reef Chemist View Badges Staff member Super Moderator Ultimate Member Partner Member 2027 Excellence Award R2R App User Expert Contributor Article Contributor R2R Research My Tank Thread Joined Sep 5, 2014 Messages 91,655 Reaction score 96,769 Location Massachusetts, United States Rating - 0% 0 0 0 Yes, I'd use that as the sulfate part of a DIY magnesium supplement.