Red Sea Complete Reef Care 4-Part, Part 2: KH/Alkalinity & pH Stabilizer
multi-part
Manufacturer data
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What one dose does
PARAMETER
1 ml / 100 L
Alkalinity
+0.1 dKH
To raise alkalinity by 1 dKH in 100 L: 10 ml.
Maker’s daily maximum: 14 ml per 100 L (14 ml for 100 L).
How it’s used
Dose at 2x the Part 1 volume daily. Test KH every 2-3 weeks; if it drifts more than 0.5 dKH, make an adjustment dose of Part 2 (or change its daily dose).
Cautions
• Always dose in numerical order Part 1 -> 2 -> 3 -> 4, 10 minutes apart
• Max daily rise: Ca 20 ppm, Alk 1.4 dKH (0.5 meq/L)
• Intended for systems WITHOUT a refugium/algae scrubber; use the 7-part program if you have one
• Dose all parts by Ca uptake only; Red Sea warns that dosing by alkalinity overdoses Ca and traces
Part of Complete Reef Care 4-Part
Sources
maxDose derived from the 1.4 dKH/day limit. Ratio 2x Part 1 from manual table. See Part 1 notes for the initial-dose table.