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To raise alkalinity by 1 dKH in 100 L: 1.4 g.
Food-grade or ACS beads. Rarely used in hobby two-part; mainly a niche high-pH alkalinity source.
• Highly caustic: dissolving is exothermic and causes severe burns/eye damage - gloves and goggles mandatory.
• Large pH spikes and precipitation if dosed fast; drip-only, dilute, high flow.
• Absorbs CO2 and water from air; concentration of stored solutions drifts.
• Not a standard DIY recipe - an AI assistant should prefer carbonate/bicarbonate unless the user is experienced.
pH effect: strongly raises (hydroxide consumes CO2 like kalkwasser, without adding Ca).
Food-grade or ACS beads. Rarely used in hobby two-part; mainly a niche high-pH alkalinity source.
pubchem.ncbi.nlm.nih.gov/
reefkeeping.com/issues/2006-02/rhf/index.php