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Dosing
The maker doses this by schedule rather than by a fixed potency, so the calculator cannot use it. Follow the directions below.
How it’s used
1 capful (5 ml) per 20 US gal twice a week (can be split into smaller, more frequent doses); dense, fast-growing chaeto or ULNS tanks may take it 3-4 times a week.
Cautions
• Contains no nitrogen or phosphorus: pair with ULNS Nitro/Phos if those limit growth
Sources
Macroalgae (refugium) multi-nutrient fertilizer without N/P; no potency published.