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Mosquitoes Eating You Alive?

Everyone keeps telling us it's the worst bug year in memory. Honestly? We haven't really noticed. Maybe it's just quiet where we live — or maybe it's the bug spray. 😉

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Maker's Tools

The Herbal Apothecary

Maker's Tools

The measuring math of the maker's bench — dilutions, batch scaling, and salve ratios — worked out for you.

Dilution & Drops

How many drops of essential oil for your container and strength.

0.25%1% dilution10%
Compounding Label
30 mL at 1%
Essential oil6 drops≈ 0.30 mL
Carrier oil29.7 mL
Strength1% dilution
Drop counts are rounded to the nearest whole drop.

A drop is a convention, not a precise unit — it varies with the oil and the dropper. For batches over 100 mL, measure the essential-oil volume shown instead of counting drops.

Batch Scaler

Your recipe makes one amount — you need another. Every ingredient, rescaled.

Scaled Recipe
×5.0 batch
Scaled from 100 mL to 500 mL.

Aromatics and strong flavours don't always scale in a straight line — when scaling up 4× or more, start with 75–80% of the scaled amount of any potent ingredient and adjust to taste or nose.

Salve Hardness

Beeswax-to-oil ratio, from a soft spoonable salve to a solid lotion bar.

softerClassic salve · 1:6harder
Compounding Label
Classic Salve — 120 g
Beeswax17.1 g
Infused or plain oil102.9 g
Ratio (wax : oil)1 : 6
Holds its shape in the jar, melts on contact with skin. The all-purpose classic.

Test before you pour the whole batch: drop a teaspoon of the melted mix on a cold plate, let it set two minutes, and check the texture. More wax = harder; more oil = softer. Ratios are by weight.

Made by The Herbal Apothecary, Lethbridge, Alberta. These calculators do kitchen-craft math for cosmetic and culinary projects — they aren't medical advice, and results are only as good as your ingredients and technique.