Best in 7 days
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Ships within 48 hours · Estimated delivery Oct 10 - Oct 15
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For Your Every Summer RSVP, with Code: SUMMER15
Description
GroStar GS2 Soil pH PenThe GroStar GS2 Soil pH Pen from Apera Instruments was designed specifically for growers. Features: Measures pH and temperature in nutrient solution, soil, coco coir, rockwool, and many other media types Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Impact resistant spear glass tip, 10 times stronger than conventional glass bulb PTFE ring prevents a clogged junction caused by soil particles,
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1111 reviews
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Product Reviews
★★★★★ 5
Battery isolater
Worked great just as planned
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 30, 2025
★★★★★ 5
Price and solid
Works great and been good and its been months now
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 24, 2025
★★★★★ 1
Broke after less than 2 months
Initially worked great but now the taking power from the coil doesn’t break the contact and I have to tap it with a screwdriver to get it to disengage
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Reviewed in the United States on March 10, 2023
★★★★★ 5
Solid cables
Color: Red/Black, Size: 0AWG-25FT Each
Good set of cables
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Reviewed in the United States on April 13, 2026
★★★★★ 5
love it
Color: Red/Black, Size: 0AWG-25FT Each
quick and love the product
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Reviewed in the United States on May 26, 2026
