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Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
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Description
GroLine Nutrient Dosing SystemThe GroLine Nutrient Dosing System HI981413 by HANNA Instruments is engineered for maintaining the concentration of fertilizer in the nutrient solution used in hydroponics and irrigation water. The nutrient concentration in the water used for irrigation is critical for the successful propagation and growth of plants. Simply insert the probe and injection valve in line with the re circulation pump and provide the chemical to be dosed. Available in
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
4.9 ★★★★★
Based on 2357 reviews
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Product Reviews
★★★★★ 5
Great product!
High quality; great product; highly recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
★★★★★ 5
Good product too!!!
Style: CA7440
Great fit!! Good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Lexus 2021 ES300h fit
Style: CA12289
Fit 2021 Lexus ES300h perfectly. Seem to be decent quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Fit was right and works good
Style: CA10755
It fit my car and seems to be working just fine.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Will buy again
Style: CA10755
Good fit and good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
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