Fertilizer Dilution Calculator – Never Burn Your Roots
Convert any fertilizer label dose to the exact ml for your watering can — at half, full, or quarter strength.
Feeding rules that prevent burn
- Never fertilize dry soil — water plain first, then feed.
- Skip feeding dormant plants (see fall cutoff timing).
- Flush pots monthly to clear salts (why tips brown).
Full background: fertilizer basics and nutrient deficiencies guide.