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Feeding Charts

Conversions

1 tablespoon is equal to:
1/2 ounce 3 tsp 15 grams
15 ml 180 drops 0.663 cup
1 cup is equal to:
8 ounces 48 tsp 0.23 liter
1/2 pint 236 ml 14.4 cu.in.
16 tbsp 0.52 lbs 236 grams
1 liter is equal to:
1000 ml 4.328 cups 202.88 tsp
2.164 pints 67.63 tbsp 0.264 gal
1000 grams 2.22 lbs 1.057 quarts
1 US gallon is equal to:
4 quarts 128 ounces 768 tsp
8 pints 3.785 liters 8.34 lbs
16 cups 256 tbsp 231 cu. in.
Measurement equivalents
3 tsp = 1 Tbsp 1 ml = 1/5 tsp
2 Tbsp = 1 fluid oz 5 ml = 1 tsp
16 Tbsp = 1 cup 15 ml = 1 Tbsp
2 cups = 1 pint (16 oz) 30 ml = 1 fluid oz
2 pints = 1 quart (32 oz) 240 ml = 1 cup
4 quarts = 1 gal (128 oz) 3840 ml = 1 gal
°F/ºC Temperature Conversion
200°C = 392°F 100°C = 212°F 75°C = 167°F 40°C = 104°F
150°C = 302°F 95°C = 203°F 70°C = 158°F 30°C = 86°F
125°C = 257°F 90°C = 194°F 65°C = 149°F 20°C = 68°F
110°C = 230°F 85°C = 185°F 60°C = 140°F 10°C = 50°F
105°C = 221°F 80°C = 176°F 50°C = 122°F 0°C = 32°F
°F/°C Temperature Formula
°C = (°F - 32) x 5/9 °F = (°C x 9/5) + 32
Lighting Conversion
1 footcandle = lumen/ft2
Abbreviations
ppm = parts per million
mho = conductivity
mS = millisiemen
uS = microsiemen
tds = total dissolved solids
ec = electrical conductivity
pH = potential hydrogen
Elemental Abbreviations
C
Carbon
Ca
Calcium
Cl
Chlorine
Cu
Copper
Fe
Iron
F
Fluorine
H
Hydrogen
K
Potassium
Mn
Mangenese
Mo
Molybdenum
N
Nitrogen
Na
Sodium
O
Oxygen
P
Phosphorus
S
Sulfur
Zn
Zinc
1 Siemen = 1000 mS
1 mS = 1000 uS
1 mS = 500 ppm (standard)
1 mS = 650 ppm (horticultural)
1 mg/liter = 1 ppm