Free shipping: dry goods CA$150+ · Overnight CA$250+Eligible items & areas · Shipping details

Dry-goods shipping: Free at CA$150 · Salt, sand & rock excludedFree dry-goods shipping at CA$150 · Salt, sand & rock excluded

Hot/cold overnight shipping: Free at CA$250 where availableFree hot/cold overnight shipping at CA$250 where available

Reef Charge Dosing Calculator

Choose a parameter

Select the result from your latest test.

Selected parameter
ALK Alkalinity
Reference range 7–13 dKH
Why it matters

Carbonate buffering and daily calcification demand.

Your aquarium
Volume unit

Your readings stay in this browser.

Recommended formula

Enter measured values

Enter system volume, current result, and target. No dose is assumed.

View all
Back to top