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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
For ICP-measured deficits or daily top-up: ml = desired rise / 1 ug/L x litres / 100. Do not raise more than 0.5 ug/L per day (0.5 ml/100 L).
Cautions
• Do not exceed the stated maximum daily rise; split larger corrections over several days
• Copper is toxic to invertebrates: only dose against a measured deficit
Sources
ATI ICP Elements (relaunched line): single-element solutions for correcting ICP-measured deficits or daily top-up; bottle states the total element content. ATI says a very low Cu level is normal and no confirmed deficiency symptoms are known. Also carries CU (not tracked by the app).