Membrane Antifoulant, 1.5 pound white jug with blue product label, front view
Membrane Antifoulant
Can you match this part’s SKU, size and connections to the system label or manual?
- Worth considering for
- Existing system owners who can match a part number and configuration before ordering.
From $89.00
Archived USD price · Check today’s price with Crystal Quest.
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A documentation-based review of the manufacturer’s listing and specifications. How we reviewed it
Our assessment
The Membrane Antifoulant belongs on a comparison list when its documented application matches your needs. The important next step is to verify the configuration and compatibility, rather than deciding from the product photograph alone.
What the listing gives you
- Configuration choices are documented
Pounds: 1/2 lb, 1 lb, 5 lbs, 15 lbs (all options are listed below)
- Supporting documents are available
The manufacturer links technical or installation documents. We have kept those references with the product research below.
- Identifiable part numbers
CQE-AF-0005, CQE-AF-0001, CQE-AF-0050 and 2 more. These are useful for asking the manufacturer about an exact configuration.
What deserves a closer look
- Fit comes first
A similar photograph or product name does not establish compatibility. Confirm the exact part and its position in your system with Crystal Quest.
- Look beyond the listed price
Keep the original model number and replacement record. Check whether the listing describes one component, a multi-part kit or a complete system.
- Compare the same configuration
The source lists 5 configurations. Use the model and part-number table below so that a size, package or optional component is not mistaken for a different specification.
These are our reading of the published information and our buying considerations. They are not measured performance results.
The specifications, in context.
Values below are published by Crystal Quest. Specifications may describe different configurations; read the model labels and compare the complete source tables in the reference section.
The listing does not provide a separate two-column specification table. Available technical details remain in the full manufacturer reference below; confirm any missing measurements directly with Crystal Quest.
Multi-column comparison tables are preserved in full under Manufacturer reference.
Choose the configuration carefully.
A similar photograph or product name does not establish compatibility. Confirm the exact part and its position in your system with Crystal Quest.
Model & part-number reference 5 configurations
This is a reference table, not an ordering form. SKU and option names are reproduced from the manufacturer snapshot.
| Configuration | Part number / SKU | Listed price (USD) |
|---|---|---|
| 1/2 lb | CQE-AF-0005 | $89.00 |
| 1 lb | CQE-AF-0001 | $149.00 |
| 5 lbs | CQE-AF-0050 | $460.00 |
| 15 lbs | CQE-AF-0015 | $1,160.00 |
| 25 lbs | CQE-AF-0025 | $1,760.00 |
Price snapshot from November 8, 2026. This is not a current offer or a stock confirmation.
Think beyond day one.
Keep the original model number and replacement record. Check whether the listing describes one component, a multi-part kit or a complete system.
- Match the exact model or SKU before relying on an installation diagram or replacement schedule.
- Ask what the quoted package includes and what must be supplied separately.
- Keep the manufacturer’s operating instructions with your service and replacement records.
Documents & videos
Frequently asked questions
Can you match this part’s SKU, size and connections to the system label or manual?Our reading
The Membrane Antifoulant belongs on a comparison list when its documented application matches your needs. The important next step is to verify the configuration and compatibility, rather than deciding from the product photograph alone.
Who is Membrane Antifoulant worth considering for?Best fit
Existing system owners who can match a part number and configuration before ordering.
What are the configuration constraints and installation requirements?Fit & plumbing
A similar photograph or product name does not establish compatibility. Confirm the exact part and its position in your system with Crystal Quest.
What are the ongoing maintenance and filter replacement considerations?Ownership costs
Keep the original model number and replacement record. Check whether the listing describes one component, a multi-part kit or a complete system.
Go back to the source.
The full product information below is supplied by Crystal Quest, including its own descriptions and claims. We have reorganized the typography and tables for reading. This material is separate from Elorova’s assessment.
Product overviewManufacturer material
AF - 300
FORM: POWDER
The maximum use level is 20 Mg/L
Application Instructions
Protect RO should be injected into the feed stream prior to the static mixer and cartridge filter. The effective PH range is 5.0-10.0 If frozen it may be thawed and mixed before use. Stability is excellent but best used within 12 months
Product Benefits
AF - 300 is a highly effective anti-foulant, specifically formulated for feedwater with the highest levels of metal oxides, silica, and scale-forming minerals. It is effective over a wide range of concentrations and does not flocculate dissolved polymers such as residual coagulants, iron, or aluminum-rich silica. The use of this product is recommended for reducing the operating and capital costs of reverse osmosis, nanofiltration, and ultrafiltration systems. inhibits polymerization of reactive silica and disperses colloidal silica.
• Inhibits coagulation and deposition of organic and inorganic colloidal particles.
• Reduces the requirement for membrane cleaning by decreasing the rate of membrane fouling.
• Effectively reduces membrane fouling when processing waters with high SDI values.
• Certified under ANSI/NSF standard 60 for drinking water production.
• Eliminates the need for additional expensive pretreatment equipment and chemicals to control feedwater with high SDI values.
• Compatible with major manufacturers’ RO, NF, and UF membranes.
• Compatible with simultaneous administration of anti-foulant into feedwater coagulation of colloidal silica by aluminum, iron, and heavy metal salts.
What this review is based on.
Elorova researched the public Crystal Quest product listing, its published configuration data, source photographs and linked documents. The source page was checked on .
We have not purchased or installed this product, conducted a laboratory evaluation, or independently confirmed the manufacturer’s treatment and certification claims. We do not copy retailer star ratings into an Elorova rating.
Original Crystal Quest product listingOur research is a snapshot. Check the merchant’s current documentation, warranty, configuration, price and delivery terms before deciding. Read our editorial policy.
