D2. Check Ec & Ph - OPCOM Farm GrowBox User Manual

User Manual
D2. Check EC & pH
In order to keep good growing conditions, check and adjust EC/pH weekly.
Please maintain EC between 1000-2000μS/cm (=1.0-2.0 ms/cm)
Status
Nutrition
Adjuster Cup
EC
0855
µS/cm
0.85
ms/cm
Please keep pH between 5.5 - 6.5
Status
pH +
Capsule
4.7
pH -
Capsule
4.7
Nutrient Solution EC / pH Adjustment
● We recommend measuring the EC / pH when first planting, and maintaining water quality weekly.
EC/pH can be adjusted by plant variety, please refer to the manual for each seed pack.
● Please follow the result of the EC& pH meter to adjust with Nutrition, water or pH+/- capsules to
meet the suggested standard.
● Results may vary with different environment and climates; the above table is for reference only.
Note
The above table is just for users' reference, as specific plant needs may be affected
by climate, environment and the variety grown .
GrowBox
0.4-0.6 0.6-0.8
(add 3pcs) (add 2pcs)
3.5-4.0 4.0-4.5 4.0-4.5
(add (add (add
4pcs) 3pcs)
0.8-1.0
(add 1pcs)
5.0-5.5 5.5-6.5
(add Standard
2pcs) 1pcs) range
Standard
range
P25
1.0-2.0 2.0
over
Standard range Add Water
6.5-7.0 7.0-7.5 7.5-8.0
(add 2pcs) (add 3pcs) (add 6pcs)