Do you sell, or at least recommend, A pre filter to extend the life of the deionizer?

Hello, Thank you for your question. There really isn't a pre filter that will make a big enough difference. The only thing that will really extend the resin life is a RO filtration. Warm regards, Customer Service Water System

is this something you can use for your household drinking water? if not can someone suggest what to use or point me in the right direction?

Depends what your concerns about your water are.You can look at a dechlorinator which will remove most chlorine and other chemicals via charcoal but leaves the minerals.Or you can look at Reverse Osmosis which does what the dechlorinator does plus removes minerals.We have extremely hard water here (800 ppm, avg is about 150 ppm) so I use RO for drinking, tea, juice, coffee, etc. plus I use RO as the final rinse for my vehicles.

Do you have to empty and rinse after each use ?

Good afternoon Jan,No you don't, you don't even have to empty the waster unless you aren't using it for more that 3 wks. You do want to change your resin when your meter is reading 20PPM. So you meter should be reading 0's for about 90-95 % of your resin life. I hope this helps you out.Warm Regards,Josette ShieldsCustomer ServiceCrspotless Water858-530-9993

what is the life expectancy of this unit?

You'll be disappointed if you don't pre filter the water entering this unit. Chlorine alone will exhaust the resin prematurely. I was washing two and half cars before resin exhaustion.

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Spotless Water Systems - DIC-20, Simple Window, Solar Panel, RV & Car Wash System, Works for All Vehicles, Motorcycles, Bikes, Boats, Planes, Yachts, Towel Drying Eliminated

Spotless Water Systems - DIC-20, Simple Window, Solar Panel, RV & Car Wash System, Works for All Vehicles, Motorcycles, Bikes, Boats, Planes, Yachts, Towel Drying Eliminated

Product ID: 644854911

Details

Brand
CR Spotless
Capacity
300 gallons
Installation Type
Freestanding
Material
Alloy Steel
Package Information
Tube
Power Source
Battery

💧300 gallons spot-free water

🔋Battery-powered purity indicator

🛒Portable rust-resistant rolling cart

NZ$2730

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Description

✨ Wash smarter, not harder—spotless perfection on the go! 💧

LONG LASTING PURITY - Two 20-inch replaceable resin cartridges deliver up to 300 gallons of mineral-free water per refill.
EFFORTLESS SPOT FREE SHINE - De-ionized water eliminates mineral spots so you can wash, rinse, and walk away—no towel needed.
PROFESSIONAL GRADE PORTABILITY - Compact, powder-coated alloy steel cart with smooth rolling wheels for easy storage and mobility.
SMART WATER QUALITY MONITORING - Battery-operated TDS meter ensures every rinse is perfectly purified for flawless results.
VERSATILE VEHICLE SURFACE CARE - Ideal for cars, motorcycles, boats, solar panels, windows, and more—shine anywhere, anytime.

The CR Spotless DIC-20 is a portable, professional-grade de-ionizing water system that produces up to 300 gallons of mineral-free water per cartridge set. Designed with a rust-resistant rolling cart and equipped with a battery-powered purity indicator, it enables spot-free drying for vehicles, solar panels, and windows without the need for towel drying. Perfect for busy professionals seeking efficient, high-quality cleaning with minimal effort.

Specifications

ASIN	B072FJTX8X
Best Sellers Rank	#37,301 in Automotive ( See Top 100 in Automotive ) #223 in Cleaning Kits
Brand	CR Spotless Water Systems
Brand Name	CR Spotless Water Systems
Capacity	300 gallons
Container Type	Tube
Customer Reviews	4.4 out of 5 stars 726 Reviews
Global Trade Identification Number	00810102010049
Included Components	Portable 20" deionized water system, TDS meter, stainless steel inlet hose, filter wrench, spray nozzle, pre-filled filter cartridges (2), instruction manual Included Components Portable 20" deionized water system, TDS meter, stainless steel inlet hose, filter wrench, spray nozzle, pre-filled filter cartridges (2), instruction manual See more
Installation Type	Freestanding
Item Dimensions L x W x H	15"L x 15"W x 25"H
Item Type Name	Simplest RV & Car Wash Kit, Spotless Rinse Works for All Vehicles, Motorcycles, Bikes, Boats, Planes, Yachts, Deionized Water System, Towel Drying Eliminated
Item Weight	42.6 pounds
Manufacturer	CR Spotless
Material	Alloy Steel
Material Type	Alloy Steel
Maximum Flow Rate	2.5 gpm
Model Name	CR Spotless
Model Number	DIC-20
Number of Items	1
Other Special Features of the Product	Portable
Part Number	DIC-20
Power Source	Battery Powered
Product Dimensions	15"L x 15"W x 25"H
Purification Method	Ion Exchange
Special Feature	Portable
Supported Water TDS Level Maximum (PPM)	350
UPC	810102010049
Unit Count	1 Count
Upper Temperature Rating	90 °F
Warranty Description	Includes 1 Year System Warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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NZ$2730

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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