Measure powders and liquids the same way every time: digital nutrient scales, graduated measuring cups in several sizes, and dosing shot cups for small volumes of concentrate.
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Scales
Water soluble powders are dosed by weight. A nutrient scale with a bowl weighs a full reservoir's worth of powder in one go, and a flat scale suits weighing bags and small quantities.
Cups
Graduated measuring cups with clear markings in milliliters and ounces handle liquid nutrients and additives. Dosing shot cups measure the few milliliters a small reservoir needs without a syringe.
Scales & Measuring Tools FAQ
How accurate does a nutrient scale need to be?
To the gram for most powders, since doses are set in grams per gallon.
Can I measure liquids on a scale?
Yes, by weight, but cups are quicker for liquids and keep the scale clean.
Are measuring cups chemical resistant?
They are made for nutrients and additives. Rinse after each use so residue does not build up on the markings.
