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Check your nutrient strength and pH against typical targets for your crop, convert between EC and TDS ppm, and see exactly how much plain water to add if the solution is too strong.
1. What are you growing?
2. Growth stage
3. Your readings
Nutrient strength meter reads in
5.5 – 6.5
Target pH
0.8 – 1.4
Target strength (EC (mS/cm))
Enter a nutrient-strength reading and/or a pH on the left to see how your reservoir compares.
These are typical starting ranges. Your nutrient product's own feeding chart takes priority, since formulas differ. TDS meters use different ppm conversion factors (500 or 700 per 1.0 mS/cm) — check which your meter uses, or read EC directly. Dilution math assumes strength scales in proportion to concentration.