Spot-Free Car Wash Filter - Portable Deionizing Water Filter

Regular price $349.99
System Stand
System Size
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The End of Water Spots. The Beginning of Perfection.

We know the frustration – you spend hours detailing your vehicle, only to watch helplessly as hard water spots destroy your work. Those stubborn white mineral deposits on your windows, paint, and chrome that seem impossible to prevent. We've engineered the solution.

Crystal Quest's Professional Spot-Free DI Water Systems don't just prevent water spots – they eliminate them entirely. Our advanced deionization technology removes 100% of dissolved minerals, producing laboratory-grade pure water with 0 TDS (Total Dissolved Solids). The result? Your vehicle dries to an ultra-glossy, showroom finish without touching a single towel.

Professional car detailing without water spots
DI water molecular structure

Beyond Spot-Free: The Molecular Clean Advantage

Here's what sets deionized water apart: Its molecular structure creates a powerful cleaning action that actually attracts and pulls embedded contaminants from your vehicle's surface. This unique property means DI water doesn't just rinse – it actively removes haze-inducing dirt particles that have settled into paint, glass, and chrome at the molecular level. Nothing else makes colors pop, chrome gleam, and glass sparkle quite like pure DI water.

DI water molecular structure

Professional-Grade Performance, Built to Last

Our systems feature industrial-strength housings constructed from high-flow polypropylene (HFPP) with 1" FPT ports and 1.25" internal passages for maximum flow rates. The ultra-durable construction withstands extreme pressure fluctuations and chemical exposure, while our premium mixed-bed DI resin cartridges effectively remove all problematic ions including calcium, magnesium, iron, copper, chlorides, sulfates, nitrates, phosphates, silica, and ammonia.

Durable professional water filtration system

Why Professionals Choose Crystal Quest:

  • 100% Mineral Removal: Complete elimination of TDS for guaranteed spot-free results
  • Molecular Cleaning Power: Pulls embedded contaminants for deeper clean
  • Efficiency: Only 4-5 gallons needed per car (15-20 for RVs)
  • Versatility: Perfect for vehicles, windows, solar panels, boats, and industrial equipment
  • Portability: Optional pre-assembled stands for easy relocation
  • Simple Maintenance: Quick-change cartridges with no tools required
  • Cost-Effective: As low as $0.25 per vehicle – saves hours of labor
0 PPM
Pure Water Output
100%
Spot Elimination
30min
Time Saved
$0.25
Cost Per Car

Join thousands of detailing professionals, car enthusiasts, and commercial operations who've discovered the secret to perfect, effortless results.

Select Your Spot-Free System

Personal Spot-Free DI Water System with Stand
Personal System 2 7/8" × 20" Cartridge
$297
Personal Spot-Free DI Water System with Stand
Home enthusiasts
1-3 cars weekly
2-3 GPM flow rate
Compact cartridge
Capacity @ 200 PPM ~180 gallons
Connection Options 1" connection (adapters included)
With Stand $347 (Pre-assembled)
Professional Portable Pro Spot-Free System with Stand
Professional Portable Pro Best Seller 4 5/8" × 20" Big Blue
$449.99
Professional Portable Pro Spot-Free System with Stand
Mobile detailers
5-10 cars daily
4-6 GPM flow rate
Professional cartridge
Capacity @ 200 PPM ~360 gallons
Connection Options 1" NPT (adapters included)
With Stand $549.99 (Pre-assembled)
Professional MAX Dual DI Water System with Stand
Professional MAX Dual 4 5/8" × 20" Configuration
$849
Professional MAX Dual DI Water System with Stand
High-volume operations
15+ cars daily
4-6 GPM flow rate
Dual cartridge system
Capacity @ 200 PPM ~720 gallons
Connection Options 1" NPT (adapters included)
With Stand $949 (Pre-assembled)

How DI Water Filtration Works

  1. Water Entry: Tap water with dissolved minerals enters the system
  2. Ion Exchange: Mixed-bed resin captures all dissolved solids
  3. Pure Water Creation: Minerals exchanged for H+ and OH- ions
  4. Spot-Free Output: 0 TDS water exits - no drying needed

Spot-Free System Selection Guide

Usage Profile Personal Professional Professional MAX
Cars Per Week 1-3 10-50 50+
Best For Home Use Mobile Detailing Small Car Wash
Portability Excellent Great Good
Empty Weight 15 lbs 28 lbs 55 lbs
Pro Tip: Higher TDS water means more frequent cartridge changes. Most tap water ranges from 150-400 PPM.

Technical Specifications

Performance Specifications

Model Flow Rate Peak Flow Cartridge Size
Personal 2-3 GPM 4 GPM 2 7/8" × 20"
Professional 4-6 GPM 8 GPM 4 5/8" × 20"
Professional MAX 4-6 GPM 8 GPM Dual 4 5/8" × 20"

DI Resin Capacity by Water Hardness (TDS)

Water TDS Personal Professional Professional MAX
50 PPM ~720 gal / 144 rinses ~1,440 gal / 288 rinses ~2,880 gal / 576 rinses
100 PPM ~360 gal / 72 rinses ~720 gal / 144 rinses ~1,440 gal / 288 rinses
200 PPM ~180 gal / 36 rinses ~360 gal / 72 rinses ~720 gal / 144 rinses
300 PPM ~120 gal / 24 rinses ~240 gal / 48 rinses ~480 gal / 96 rinses
400 PPM ~90 gal / 18 rinses ~180 gal / 36 rinses ~360 gal / 72 rinses
500 PPM ~72 gal / 14 rinses ~144 gal / 28 rinses ~288 gal / 57 rinses

*Based on 5 gallons per vehicle for final rinse

Physical Dimensions

Personal System:
  • Housing: 2 7/8" dia × 20" height
  • With Stand: 8.5"W × 7.75"D × 32"H
  • Weight: 15 lbs empty / 25 lbs filled
Professional System:
  • Housing: 4 5/8" dia × 20" height
  • With Stand: 8.5"W × 7.75"D × 32"H
  • Weight: 28 lbs empty / 45 lbs filled
Professional MAX System:
  • Configuration: Dual 4 5/8" × 20" housings
  • With Stand: 17"W × 7.75"D × 32"H
  • Weight: 55 lbs empty / 90 lbs filled

Operating Parameters

Operating Pressure 20-80 PSI (optimal: 40-60 PSI)
Operating Temperature 40-100°F (optimal: 60-80°F)
pH Range 5-9
Maximum Input TDS 1,000 PPM
Output Water Quality 0-5 PPM TDS guaranteed
Power Requirements None - pressure operated

What's Included

Personal System Package

  • 2 7/8" × 20" filter housing with pressure relief
  • Premium mixed-bed DI cartridge (pre-installed)
  • 1" connection with adapters included
  • Housing wrench for cartridge changes
  • Wall mounting bracket with hardware
  • Installation and operation manual
  • Optional: Pre-assembled aluminum stand ($347 total)

Professional System Package

  • 4 5/8" × 20" Big Blue housing with pressure relief
  • Premium mixed-bed DI cartridge (pre-installed)
  • 1" NPT connection with adapters included
  • Inlet/outlet pressure gauges
  • Housing wrench for maintenance
  • Wall mounting bracket with hardware
  • Shut-off valve
  • Installation and operation manual
  • Optional: Pre-assembled heavy-duty stand ($549.99 total)

Professional MAX Package

  • Two 4 5/8" × 20" Big Blue housings
  • Dual premium mixed-bed DI cartridges (pre-installed)
  • 1" NPT connections with adapters included
  • Interconnecting plumbing kit
  • Dual pressure gauge set
  • Two housing wrenches
  • Dual mounting brackets
  • Shut-off valves
  • Complete installation kit
  • Optional: Pre-assembled dual stand ($949 total)

Replacement DI Cartridges & Resin

Product SKU Price Life Expectancy
Ultra High Purity DI Resin Cartridge (2 7/8"×20") CQE-RC-0501 $81.95 3-6 months
Ultra High Purity DI Resin Cartridge (4 5/8"×20") CQE-RC-0503 $89.95 3-6 months
Mixed Bed Deionizing Resin (1 cu ft) CQE-RM-05021 $395 For refilling

*Based on 200 PPM water, average use

Installation Instructions

Personal System - Quick Setup (10 Minutes)

  1. Unpack and verify all components
  2. Position pre-assembled stand or mount wall bracket
  3. Verify pre-installed DI cartridge is secure
  4. Connect water source using 1" fitting (adapters included)
  5. Attach spot-free output hose
  6. Flush system for 2-3 minutes to clear resin fines
  7. Test output (should read 0-5 PPM)
  8. Begin spot-free washing

Professional System - Standard Setup (15 Minutes)

  1. Select installation location near water source
  2. Position pre-assembled stand or mount bracket
  3. Check pre-installed cartridge and O-ring seal
  4. Install pressure gauges with Teflon tape
  5. Connect to water using 1" fitting (adapters included)
  6. Install inlet shut-off valve
  7. Pressure test and check for leaks
  8. Flush 5-10 gallons until TDS reads 0
  9. System ready for professional use

Professional MAX - Dual Setup (20 Minutes)

  1. Position pre-assembled dual stand
  2. Mount both housings with 6" spacing
  3. Verify both DI cartridges installed properly
  4. Connect housings using interconnect kit
  5. Install pressure gauges on both units
  6. Connect main water supply and output
  7. Install shut-off valves for maintenance
  8. Pressure test entire system
  9. Flush 10-15 gallons through system
  10. Verify 0 TDS output and proper flow
Installation Tips:
  • Use Teflon tape on all threaded connections
  • Hand-tighten plastic fittings plus 1/4 turn only
  • Install pressure regulator if >80 PSI
  • Add carbon pre-filter for chlorinated water
  • Protect system from freezing temperatures

Maintenance Schedule

Frequency Task Time Required
Before Each Use Check TDS reading 30 seconds
Weekly Inspect for leaks, log usage 2 minutes
Monthly Clean housing, check O-rings 5 minutes
When TDS = 10 PPM Replace DI cartridge 10 minutes
Annually Replace O-rings, deep clean 20 minutes

Troubleshooting Guide

High TDS Reading → Replace exhausted cartridge
Low Flow Rate → Check for kinks, clean pre-filter
Leaking Connections → Re-tape threads, check O-rings
Pressure Drop → Gently shake housing if compacted
Still Getting Spots → Verify ≤10 PPM, check for soap residue

 

The End of Water Spots. The Beginning of Perfection.

We know the frustration – you spend hours detailing your vehicle, only to watch helplessly as hard water spots destroy your work. Those stubborn white mineral deposits on your windows, paint, and chrome that seem impossible to prevent. We've engineered the solution.

Crystal Quest's Professional Spot-Free DI Water Systems don't just prevent water spots – they eliminate them entirely. Our advanced deionization technology removes 100% of dissolved minerals, producing laboratory-grade pure water with 0 TDS (Total Dissolved Solids). The result? Your vehicle dries to an ultra-glossy, showroom finish without touching a single towel.

Professional car detailing without water spots
DI water molecular structure

Beyond Spot-Free: The Molecular Clean Advantage

Here's what sets deionized water apart: Its molecular structure creates a powerful cleaning action that actually attracts and pulls embedded contaminants from your vehicle's surface. This unique property means DI water doesn't just rinse – it actively removes haze-inducing dirt particles that have settled into paint, glass, and chrome at the molecular level. Nothing else makes colors pop, chrome gleam, and glass sparkle quite like pure DI water.

DI water molecular structure

Professional-Grade Performance, Built to Last

Our systems feature industrial-strength housings constructed from high-flow polypropylene (HFPP) with 1" FPT ports and 1.25" internal passages for maximum flow rates. The ultra-durable construction withstands extreme pressure fluctuations and chemical exposure, while our premium mixed-bed DI resin cartridges effectively remove all problematic ions including calcium, magnesium, iron, copper, chlorides, sulfates, nitrates, phosphates, silica, and ammonia.

Durable professional water filtration system

Why Professionals Choose Crystal Quest:

  • 100% Mineral Removal: Complete elimination of TDS for guaranteed spot-free results
  • Molecular Cleaning Power: Pulls embedded contaminants for deeper clean
  • Efficiency: Only 4-5 gallons needed per car (15-20 for RVs)
  • Versatility: Perfect for vehicles, windows, solar panels, boats, and industrial equipment
  • Portability: Optional pre-assembled stands for easy relocation
  • Simple Maintenance: Quick-change cartridges with no tools required
  • Cost-Effective: As low as $0.25 per vehicle – saves hours of labor
0 PPM
Pure Water Output
100%
Spot Elimination
30min
Time Saved
$0.25
Cost Per Car

Join thousands of detailing professionals, car enthusiasts, and commercial operations who've discovered the secret to perfect, effortless results.

Select Your Spot-Free System

Personal Spot-Free DI Water System with Stand
Personal System 2 7/8" × 20" Cartridge
$297
Personal Spot-Free DI Water System with Stand
Home enthusiasts
1-3 cars weekly
2-3 GPM flow rate
Compact cartridge
Capacity @ 200 PPM ~180 gallons
Connection Options 1" connection (adapters included)
With Stand $347 (Pre-assembled)
Professional Portable Pro Spot-Free System with Stand
Professional Portable Pro Best Seller 4 5/8" × 20" Big Blue
$449.99
Professional Portable Pro Spot-Free System with Stand
Mobile detailers
5-10 cars daily
4-6 GPM flow rate
Professional cartridge
Capacity @ 200 PPM ~360 gallons
Connection Options 1" NPT (adapters included)
With Stand $549.99 (Pre-assembled)
Professional MAX Dual DI Water System with Stand
Professional MAX Dual 4 5/8" × 20" Configuration
$849
Professional MAX Dual DI Water System with Stand
High-volume operations
15+ cars daily
4-6 GPM flow rate
Dual cartridge system
Capacity @ 200 PPM ~720 gallons
Connection Options 1" NPT (adapters included)
With Stand $949 (Pre-assembled)

How DI Water Filtration Works

  1. Water Entry: Tap water with dissolved minerals enters the system
  2. Ion Exchange: Mixed-bed resin captures all dissolved solids
  3. Pure Water Creation: Minerals exchanged for H+ and OH- ions
  4. Spot-Free Output: 0 TDS water exits - no drying needed

Spot-Free System Selection Guide

Usage Profile Personal Professional Professional MAX
Cars Per Week 1-3 10-50 50+
Best For Home Use Mobile Detailing Small Car Wash
Portability Excellent Great Good
Empty Weight 15 lbs 28 lbs 55 lbs
Pro Tip: Higher TDS water means more frequent cartridge changes. Most tap water ranges from 150-400 PPM.

Technical Specifications

Performance Specifications

Model Flow Rate Peak Flow Cartridge Size
Personal 2-3 GPM 4 GPM 2 7/8" × 20"
Professional 4-6 GPM 8 GPM 4 5/8" × 20"
Professional MAX 4-6 GPM 8 GPM Dual 4 5/8" × 20"

DI Resin Capacity by Water Hardness (TDS)

Water TDS Personal Professional Professional MAX
50 PPM ~720 gal / 144 rinses ~1,440 gal / 288 rinses ~2,880 gal / 576 rinses
100 PPM ~360 gal / 72 rinses ~720 gal / 144 rinses ~1,440 gal / 288 rinses
200 PPM ~180 gal / 36 rinses ~360 gal / 72 rinses ~720 gal / 144 rinses
300 PPM ~120 gal / 24 rinses ~240 gal / 48 rinses ~480 gal / 96 rinses
400 PPM ~90 gal / 18 rinses ~180 gal / 36 rinses ~360 gal / 72 rinses
500 PPM ~72 gal / 14 rinses ~144 gal / 28 rinses ~288 gal / 57 rinses

*Based on 5 gallons per vehicle for final rinse

Physical Dimensions

Personal System:
  • Housing: 2 7/8" dia × 20" height
  • With Stand: 8.5"W × 7.75"D × 32"H
  • Weight: 15 lbs empty / 25 lbs filled
Professional System:
  • Housing: 4 5/8" dia × 20" height
  • With Stand: 8.5"W × 7.75"D × 32"H
  • Weight: 28 lbs empty / 45 lbs filled
Professional MAX System:
  • Configuration: Dual 4 5/8" × 20" housings
  • With Stand: 17"W × 7.75"D × 32"H
  • Weight: 55 lbs empty / 90 lbs filled

Operating Parameters

Operating Pressure 20-80 PSI (optimal: 40-60 PSI)
Operating Temperature 40-100°F (optimal: 60-80°F)
pH Range 5-9
Maximum Input TDS 1,000 PPM
Output Water Quality 0-5 PPM TDS guaranteed
Power Requirements None - pressure operated

What's Included

Personal System Package

  • 2 7/8" × 20" filter housing with pressure relief
  • Premium mixed-bed DI cartridge (pre-installed)
  • 1" connection with adapters included
  • Housing wrench for cartridge changes
  • Wall mounting bracket with hardware
  • Installation and operation manual
  • Optional: Pre-assembled aluminum stand ($347 total)

Professional System Package

  • 4 5/8" × 20" Big Blue housing with pressure relief
  • Premium mixed-bed DI cartridge (pre-installed)
  • 1" NPT connection with adapters included
  • Inlet/outlet pressure gauges
  • Housing wrench for maintenance
  • Wall mounting bracket with hardware
  • Shut-off valve
  • Installation and operation manual
  • Optional: Pre-assembled heavy-duty stand ($549.99 total)

Professional MAX Package

  • Two 4 5/8" × 20" Big Blue housings
  • Dual premium mixed-bed DI cartridges (pre-installed)
  • 1" NPT connections with adapters included
  • Interconnecting plumbing kit
  • Dual pressure gauge set
  • Two housing wrenches
  • Dual mounting brackets
  • Shut-off valves
  • Complete installation kit
  • Optional: Pre-assembled dual stand ($949 total)

Replacement DI Cartridges & Resin

Product SKU Price Life Expectancy
Ultra High Purity DI Resin Cartridge (2 7/8"×20") CQE-RC-0501 $81.95 3-6 months
Ultra High Purity DI Resin Cartridge (4 5/8"×20") CQE-RC-0503 $89.95 3-6 months
Mixed Bed Deionizing Resin (1 cu ft) CQE-RM-05021 $395 For refilling

*Based on 200 PPM water, average use

Installation Instructions

Personal System - Quick Setup (10 Minutes)

  1. Unpack and verify all components
  2. Position pre-assembled stand or mount wall bracket
  3. Verify pre-installed DI cartridge is secure
  4. Connect water source using 1" fitting (adapters included)
  5. Attach spot-free output hose
  6. Flush system for 2-3 minutes to clear resin fines
  7. Test output (should read 0-5 PPM)
  8. Begin spot-free washing

Professional System - Standard Setup (15 Minutes)

  1. Select installation location near water source
  2. Position pre-assembled stand or mount bracket
  3. Check pre-installed cartridge and O-ring seal
  4. Install pressure gauges with Teflon tape
  5. Connect to water using 1" fitting (adapters included)
  6. Install inlet shut-off valve
  7. Pressure test and check for leaks
  8. Flush 5-10 gallons until TDS reads 0
  9. System ready for professional use

Professional MAX - Dual Setup (20 Minutes)

  1. Position pre-assembled dual stand
  2. Mount both housings with 6" spacing
  3. Verify both DI cartridges installed properly
  4. Connect housings using interconnect kit
  5. Install pressure gauges on both units
  6. Connect main water supply and output
  7. Install shut-off valves for maintenance
  8. Pressure test entire system
  9. Flush 10-15 gallons through system
  10. Verify 0 TDS output and proper flow
Installation Tips:
  • Use Teflon tape on all threaded connections
  • Hand-tighten plastic fittings plus 1/4 turn only
  • Install pressure regulator if >80 PSI
  • Add carbon pre-filter for chlorinated water
  • Protect system from freezing temperatures

Maintenance Schedule

Frequency Task Time Required
Before Each Use Check TDS reading 30 seconds
Weekly Inspect for leaks, log usage 2 minutes
Monthly Clean housing, check O-rings 5 minutes
When TDS = 10 PPM Replace DI cartridge 10 minutes
Annually Replace O-rings, deep clean 20 minutes

Troubleshooting Guide

High TDS Reading → Replace exhausted cartridge
Low Flow Rate → Check for kinks, clean pre-filter
Leaking Connections → Re-tape threads, check O-rings
Pressure Drop → Gently shake housing if compacted
Still Getting Spots → Verify ≤10 PPM, check for soap residue