--- product_id: 310380350 title: "Systems FI-PHPLUS-QC-38 US Made 10\" Alkaline High Purity pH+ Calcium Carbonate Filter with 3/8\" Quick Connect For Reverse Osmosis (For Upgraded 3/8\" Output, Replacement Filter Only)" brand: "apec water" price: "838 kr" currency: DKK in_stock: true reviews_count: 5 category: "Apec Water" url: https://www.desertcart.dk/products/310380350-systems-fi-phplus-qc-38-us-made-10-alkaline-high store_origin: DK region: Denmark --- # 10" inline filter size 100% US-made high purity calcium carbonate 3/8" quick connect fittings Systems FI-PHPLUS-QC-38 US Made 10" Alkaline High Purity pH+ Calcium Carbonate Filter with 3/8" Quick Connect For Reverse Osmosis (For Upgraded 3/8" Output, Replacement Filter Only) **Brand:** apec water **Price:** 838 kr **Availability:** ✅ In Stock ## Summary > 💧 Upgrade your hydration game with pure, alkaline perfection! ## Quick Answers - **What is this?** Systems FI-PHPLUS-QC-38 US Made 10" Alkaline High Purity pH+ Calcium Carbonate Filter with 3/8" Quick Connect For Reverse Osmosis (For Upgraded 3/8" Output, Replacement Filter Only) by apec water - **How much does it cost?** 838 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/310380350-systems-fi-phplus-qc-38-us-made-10-alkaline-high) ## Best For - apec water enthusiasts ## Why This Product - Trusted apec water brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pure US-Made Quality:** Crafted with 100% high-purity calcium carbonate, guaranteeing trusted mineral enhancement. - • **Elevate Your Water's pH:** Boost alkalinity naturally with premium calcium carbonate for a crisp, balanced taste. - • **Durable Friction-Welded Seal:** No glues or binders—engineered for a reliable, leak-proof performance every time. - • **Perfect Upgrade for RO Systems:** Easily complements any reverse osmosis setup to transform your water into mineral-rich hydration. - • **Seamless Quick-Connect Installation:** 3/8" fittings ensure effortless, leak-free setup—no plumber needed. ## Overview The APEC FI-PHPLUS-QC-38 is a 10-inch inline alkaline filter that raises water pH by adding 100% US-made high-purity calcium carbonate. Designed with friction-welded construction and 3/8" quick connect fittings, it offers a leak-free, easy installation experience. Ideal as an upgrade for reverse osmosis systems, it enhances water taste and neutralizes acidity for a premium mineral water experience. ## Description The FI-PHPLUS-QC-38 is a 10 inch inline filter that adds high purity premium grade calcium minerals to enhance the water taste for people who prefer drinking mineral water. This mineral cartridge adds only 100% us-made high-purity calcium carbonate to effectively neutralize acidity and raise ph in the water. Other re-mineralization filter will claim to add various beneficial minerals back into the water; however, their mineral formulations are often from unknown sources. APEC Water Systems does not distribute or sell our products to any 3RD party sellers on desertcart. Please purchase genuine apec water system product in “new” condition from desertcart.Com or apec water directly for authenticity. Manufacture warranty may not apply in all cases, depending on factors such as use of product, where the product was purchased, or whom you purchased the product from. Please review the warranty carefully and contact apec if you have any question. Review: Just what the apex system needed, replace every 6 months. Review: Item is definitely used. No packaging, dirty with water residual already on the filter cap and the protective yellow caps have been put upside down!! It's amazing a "drinking" water filter could be sold as used. ## Features - Increase ph level of the water by adding calcium carbonate mineral back into the water - Made of 100% US-Made high purity calcium carbonate to effectively neutralize acidity - Friction-welded construction with no glues or binder to provide reliable, no-leak seal - 3/8 inch quick connection fittings for easy leak free installation - A perfect add on filter to compliment any existing or new ro Drinking water systems - (filter only) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MAT5CW1 | | Best Sellers Rank | #215,258 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #449 in Under-Sink Water Filters | | Brand | APEC WATER | | Color | White | | Customer Reviews | 4.1 4.1 out of 5 stars (56) | | Date First Available | 17 October 2016 | | Item Weight | 630 g | | Material | High-purity | | Model Number | FI-PHPLUS-QC-38 | | Product Dimensions | 35.56 x 10.16 x 10.16 cm; 630 g | ## Product Details - **Brand:** APEC WATER - **External testing certification:** ANSI, NSF - **Item weight:** 1.39 Pounds - **Material:** High-purity - **Product dimensions:** 35.6D x 10.2W x 10.2H centimeters ## Images ![Systems FI-PHPLUS-QC-38 US Made 10" Alkaline High Purity pH+ Calcium Carbonate Filter with 3/8" Quick Connect For Reverse Osmosis (For Upgraded 3/8" Output, Replacement Filter Only) - Image 1](https://m.media-amazon.com/images/I/71f-UUSkibL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by E***L on 12 February 2025* Just what the apex system needed, replace every 6 months. ### ⭐ Review *by N***D on 23 May 2022* Item is definitely used. No packaging, dirty with water residual already on the filter cap and the protective yellow caps have been put upside down!! It's amazing a "drinking" water filter could be sold as used. ### ⭐⭐⭐⭐⭐ Review *by Q***K on 2 January 2021* My RO water tested at 6.0 PH, after running through this filter, it raised it to 7.4-7.8. My RO water showed 3-4PPM, after running through this filter it showed approx. 9-11ppm. Overall it does it's job, not sure how long it will last. Will monitor the PPM to find out. ## Frequently Bought Together - APEC FI-PHPLUS-QC-38 US MADE 10" High Flow Alkaline High Purity pH+ Calcium Carbonate Filter with 3/8" Quick Connect For Reverse Osmosis Water System (For Upgraded System, Replacement Filter Only) - APEC Water Systems FILTER-SET APEC Water Ultimate High Capacity Pre-Filter Set - APEC Replacement ORing for ROES-50 3.5" OD Reverse Osmosis Water Filter Housings, O-Ring (3 pcs O-RING-SET-B) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/310380350-systems-fi-phplus-qc-38-us-made-10-alkaline-high](https://www.desertcart.dk/products/310380350-systems-fi-phplus-qc-38-us-made-10-alkaline-high) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-05-12*