Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
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For Your Every Summer RSVP, with Code: SUMMER15
Description
sera GH/KH-plus 250 ml (275 g)SERA GH KHPLUS 250 ml (275 g) Water Hardener for Increasing GH and KH Simultaneously A dualaction mineral supplement that raises both General Hardness (GH) and Carbonate Hardness (KH) in aquariums. Ideal for hardening R O or soft tap water, providing essential calcium and magnesium while stabilizing pH. Specifications: Category: Aquarium Care Water Conditioning & Hardness Use: Freshwater Aquariums (Hardness Adjustment) Volume Weight: 250 ml (275 g)
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
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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
4.5 ★★★★★
Based on 2389 reviews
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Product Reviews
★★★★★ 5
Very Good At Capturing Debris Of All Sizes
I have been using this for my 2015 Acura RDX for several years and each time I replace it, the old filter seems to do the job in capturing big and small debris.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 29, 2025
★★★★★ 5
Great purchase
Size: Accord 2018-22 1.5L Gas
Fit my 2018 Honda Accord as stated. Easy to install. Saved $50 doing it myself.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Top quality
Size: Accord 2018-22 1.5L Gas
Perfect replacement
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Producto super bueno
Size: Accord 2018-22 1.5L Gas
Un producto super bueno ,recomendado 100%
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Reviewed in the United States on September 27, 2025
★★★★★ 5
Works great
Size: Accord 2018-22 1.5L Gas
Fast and great quality
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Reviewed in the United States on September 9, 2025
