Red Sea Iron+ (Trace-Colors C; formerly Reef/Coral Colors C)
iron
Manufacturer data
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What one dose does
PARAMETER
1 ml / 100 L
Iron
+10 ppb
To raise iron by 1 ppb in 100 L: 0.1 ml.
Maker’s daily maximum: 5 ml per 100 L (5 ml for 100 L).
How it’s used
Dose daily at 1 ml per 100 L per 20 ppm Ca consumed (1 ml per 10 ml Calcium+). ULNS: dose to measured iron uptake (4-day method). Dose Bioactive Elements (D) 1:1 with Iron+.
Cautions
• Max daily rise: iodine 0.03 ppm, potassium 10 ppm, iron 0.05 ppm
• Overdose: change 50% of the water (25% for Potassium+) and cut the dose by 50%
• Many trace elements are toxic above natural seawater levels; dose only to measured demand
• Toxic to invertebrates above recommended levels; overdose darkens corals, triggers nuisance algae and SPS tissue regression
Part of Trace-Colors ABCD
Sources
maxDose derived from the 0.05 ppm/day iron limit (5 ml per 100 L/day). Red Sea's stated optimal is 0.15 ppm total iron (chelated + non-chelated), far above natural seawater; treat as Red Sea's own test-kit target.