Where can I get resin and what do I buy?

Lots of places sell it in raw form which is by far the cheapest way to go as "the stuff ain't cheap"! Do an internet search for DI resin and you'll find several vendors. Some sell a whole cubic foot and it's $200-300 or so and will refill this kit numerous times, probably more than you need so look for a deal on like 1/4 or 1/2 cubic foot which should hold you for a couple years. You'll need the "mixed bed resin".

filtered pressure very low, removed regulator and better now, is that ok? plus I believe inlet fitting bad cause cannot stop the leak?

The Spot Free Car Rinse works because the mixed bed resin removes the Total Dissolved Solids (TDS) in the water. TDS is things like calcium, that leaves spots when the water dries. For the resin to remove the TDS, the water must flow slow through the resin. If you remove the Flow Regulator, the resin will not absorb all of the TDS and you will still have spots on your vehicle. You need to keep the Flow Regulator installed. Regarding the leak, do you mean where your garden hose attaches to the unit? If so, we suggest trying some Teflon tape to stop any water from leaking.

Does the water flow through the cartridges simultaneously or in series?

The water flows through the cartridges in series to allow more time for the water to interact with the mixed bed resin.

Can this be used as a hard water filter for my dishwasher?

No. Use an inline water filter for a refrigerator ice maker for that purpose.

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AQUATICLIFE Deionized Spot-Free Car Rinse Unit - Premium Water Deionizer for Car Washing - Spotless Car, RV, and Motorcycle Wash System

Product ID: 338494651

Details

Brand
Aquatic Life
Special feature
Dual DI Unit
Product dimensions
43.2L x 15.2W
Package information
Cartridge
Installation type
DIY or
Power source
Adapter

💧Dual DI Unit for ultra-pure water

🔄Color-changing resin for easy maintenance

⚙️Removes up to 2,000 TDS per cartridge

€ 254.66

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💦 Drive Clean, Shine Bright — The Spot-Free Revolution is Here!

ALL IN ONE READY - Complete kit includes everything for quick, hassle-free assembly and installation.
AIR DRY CONVENIENCE - Skip the towel—achieve a flawless, spot-free finish that dries naturally and beautifully.
SPOTLESS EVERY TIME - Eliminate hard water spots effortlessly with premium deionized water technology.
VERSATILE VEHICLE CARE - Perfect for cars, motorcycles, RVs, and even home windows—one system, endless shine.
MAINTENANCE MADE SIMPLE - Color-changing resin cartridges signal when it’s time to refresh, keeping performance peak.

The Aquatic Life Deionized Spot-Free Car Rinse Unit is a premium water deionizer system designed to remove total dissolved solids (TDS) from water, preventing hard water spots on vehicles. Featuring a dual DI unit, color-changing resin cartridges that filter up to 2,000 TDS each, and a complete easy-to-assemble kit, it delivers a spotless, air-dry finish for cars, motorcycles, RVs, and more—making vehicle washing effortless and professional-grade.

Reviews

A**R

Dry less rinse

Washing the car. It definitely works. Rinsed the car, left it to dry, no water spots.

16.09.2023

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€ 254.66

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Brand	Aquatic Life
Model Number	540565
Colour	Black & White
Product Dimensions	27.94 x 15.24 x 43.18 cm; 4.26 kg
Special Features	Dual DI Unit, TDS Meter, Color-Changing Desionization Cartridges
Item Weight	4.26 kg

AQUATICLIFE Deionized Spot-Free Car Rinse Unit - Premium Water Deionizer for Car Washing - Spotless Car, RV, and Motorcycle Wash System

Details

Details

Description

Specifications

Reviews

Common Questions