additional information

Based on our popular Grow Big® Liquid Plant Food, Grow Big® Hydroponic Liquid Plant Food is a liquid concentrate fertilizer specifically designed for hydroponic use.

Grow Big® Hydroponic contains earthworm castings, Norwegian kelp and essential micronutrients to support vigorous vegetative growth.  Our special brew is designed to enhance plant size and structure, allowing for more abundant fruit, flower and bud development.

Hydro tip: Beginning the first week, use 2-3 teaspoons per gallon of fresh water. Maintain nutrient solution pH levels between 5.8 and 6.3. When plants show their first sign of flowering, usually around week 5, switch to Tiger Bloom® and Big Bloom®. For best results, refer to the FoxFarm Feeding Schedule.
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Feeding
​chart 
**The majority of feeding charts are based on the soil medium recommendations - follow at your own discretion.**
​Erith Horticulture is not responsible or liable for any damages to your yields.
For official feeding charts please visit the manufacture website or request a feeding chart from our sales team.
Vegetative Stage
Week #1
Week #2
Week #3
Week #4
2.6 mL/L
2.6 mL/L
2.6 mL/L
3.9 mL/L
Flowering Stage
Week #1
Week #2
Week #3
Week #4
1.3 mL/L
-
2.6 mL/L
2.6 mL/L
Week #1
Week #2
Week #3
Week #4
2.6 mL/L
2.6 mL/L
2.6 mL/L
2.6 mL/L
GROW BIG HYDROPONICS
Recommended Retail Prices

473ml (12 in a box)

£18.00

947ml (12 in a box)

£30.00

3.79L (4 IN A BOX)

£90.00