DoseMate: Planted Tank Ferts

DoseMate is the offline fertilizer calculator for planted aquariums. Enter your tank volume and dosing method, and get the exact amount of each dry salt to weigh out, plus the ppm it adds.

DOSING METHODS
- EI (Estimated Index), high and low light
- PPS-Pro
- PMDD
- Custom: set your own weekly ppm targets

FEATURES
- Dry-salt and stock-solution dosing (grams, ml, and teaspoon estimate)
- Target-ppm solver
- RO/DI remineralization: exact gypsum (CaSO4), Epsom salt (MgSO4) and baking soda (NaHCO3) for your target GH, KH and Ca:Mg ratio
- Multiple tank profiles
- See the math behind every result
- Works completely offline. No account, no subscription.

Built for the planted tank and aquascaping community. Grams are authoritative; teaspoon figures are estimates. For aquarium plant fertilization only. Verify before dosing.