ATI Aquaristik Essentials Mixed Reef #1 KH Complex
alkalinity
Manufacturer data
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What one dose does
PARAMETER
1 ml / 100 L
Alkalinity
+0.1429 dKH
To raise alkalinity by 1 dKH in 100 L: 7 ml.
How it’s used
Dose equal volumes of #1 and #2, guideline 3-7 ml each per 100 L/day. Set #1 to replace measured daily KH use (7 ml/100 L per 1 dKH/day), then fine-tune from KH tests.
Cautions
• Dose #1 and #2 at separate, well-flowing spots; never mix the two parts outside the tank
• #1 can crystallize when cold: warm bottle to ~45 C; below 20 C dilute both parts 1:1 with RO so volumes stay equal
• Long-term use slowly raises salinity: periodically swap a little tank water for RO
• Organic KH sources: also lowers NO3/PO4; watch nutrients in lean tanks
Part of Essentials Mixed Reef
Sources
Mix of organic + inorganic KH sources (nutrient-reducing). ~5x classic Balling strength per ATI. German retailer: formerly 'Essentials Pro' (concentrations match the Essentials Pro manual: 14,000 vs 14,250 dKH/L). Also carries F, S, Fe, I, Se (no amounts).