Not the best, but it works well for some personal. I've had this for a few years and still works.
Great storage containers. Been using this product for many years.
Been using HGV nutrients for three yrs now. Love it. So do my plant's
GroStar Product Documents
GroStar pH 4 Solution SDS GroStar pH 7 Solution SDS GroStar pH 10 Solution SDS GroStar ORP Storage Solution SDSLab grade instruments designed specifically for growers!
The GS4 5-in-1 Combo Pen includes: pH 7 & pH 4 calibration solution (50ml bottle each), 2.77 EC (50ml bottle) and KCL storage solution (10ml bottle), lanyard and user manual
- Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
- Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
- Easy-to-use design and fast calibration adjustment
- Double junction replaceable probe, so you don't have to discard the entire pen when the probe reaches its end of life
- Large 3-color backlit screen gives you clear information
- Durable structure, IP67 waterproof
- Powered by AAA batteries with auto off function
- Automatic temperature compensation
- 2-year warranty on pen, 1-year warranty on probe
- Compatible with all Apera GroStar probes
| Brand | GroStar |
|---|---|
| SKU | AI21040 |
| Weight (lb.) | 0.8000 |
| Height (in.) | |
| Prop 65 | false |
| Lead Time | This item ships in 1-2 Business Days |
| Length (in.) | |
| Width (in.) | |
| Warranty | 2 Year Pen, 1 Year Probe |
| Hazardous Material | false |
| UPC | 810214031604 |
| ETL Listed | No |
| UL Listed | No |
| Shipping Restrictions | AK, HI |