Best in 7 days
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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For Your Every Summer RSVP, with Code: SUMMER15
Description
General Hydroponics® Armor Si™ Si 2.5 GallonGeneral Hydroponics Armor Si 0 0 4 Armor Si is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types of media. Use as a growth enhancer with irrigation water or in addition to your regular fertilizers. Armor Si improves plant structure and foliar development, increases yield and improves flower and fruit production. Your plants will additionally experience improved heat
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
4.6 ★★★★★
Based on 2216 reviews
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Product Reviews
★★★★★ 5
Perfect fit
Product is very good, no damage and fits well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2025
★★★★★ 5
Perfect replacement
Fit perfectly saved a bunch of money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2025
★★★★★ 3
It’s ok for a short period of time.
Meh….the filter is glued at each end versus clamped into the housing like the OEM filter. Will probably get a different brand or OEM in the near future.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Good Replacement from Third Party
Perfect fit and great price. Would recommend.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Perfect fit
Fit well. Looks nearly identical to the OEM filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2025
