Seachem Reef Carbonate
alkalinity
Manufacturer data
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What one dose does
PARAMETER
1 ml / 100 L
Alkalinity
+0.1122 dKH
To raise alkalinity by 1 dKH in 100 L: 8.9 ml.
Maker’s daily maximum: 25 ml per 100 L (25 ml for 100 L).
How it’s used
Beginner: 5 ml (1 cap) per 80 L (20 US gal) twice a week, diluted in a cup of fresh water. Target 4-5 meq/L. Drip formula: ml = liters x meq/L rise / 4. Max 20 ml per 80 L per day (~1 meq/L per day).
Cautions
• Pour near strong flow, not into a slow sump area.
• Do not mix directly with Ca/Mg/Sr supplements; dose >=30 min apart.
Sources
Concentrated 4,000 meq/L carbonate/bicarbonate blend (pK ~9.0).
seachem.com/reef-carbonate.php