There are 2 sizes of this product on a different website. Can anyone verify if this is the 21 or 31 cubic in. version?

I am unsure what u mean by 21/31 cubic in, I bought this cartilage for my 100 gallon per day aquatic life ro filter and have since put out hundreds of gallons of 0ppm water, it has started changing color but still has long way to go, without the di cartilage the filter puts out 15ppms with the intake water being just under 200ppm

How often do i need to replace this cartridge?

It's refillable. Top cap is removable and replacement resin may be purchased much cheaper than a cartridge. Depends on amount of water passed through it as well as how contaminated it may be.

Will I need to purchase any tubing or any other additional pieces aside from the RO Buddie itself?

Yes you will need extra tubing for the r/o buddie. I just got my r/o buddy a few days ago. Make sure you cut the tubing clean. Otherwise it will leak. first 10 gallons have been 0 ppm. And my saltwater tank looks amazing.

My cartridge does not remotely look green, it's more like a shimmering black, purple, and blue. Anyone else had that problem?

Is it blue when new or it turned blue? Mine is green. I think if it's blue it's used.

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Aquatic Life DI Color Changing Mixed Bed Resin Cartridge

Aquatic Life DI Color Changing Mixed Bed Resin Cartridge

Product ID: 260510229

Details

Brand
Aquatic Life
Item form
Liquid
Item weight
0.99 Pounds
Number of Packs
1
Unit count
1 Count

🌈Color-changing resin indicator

🔄21 cubic inch resin capacity

🔧Includes mounting clips for RO Buddie

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฿4495

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Description

💧 Stay ahead of impurities with color-smart clarity!

INSTANT RESIN STATUS - Innovative color-changing resin lets you visually track cartridge exhaustion—no guesswork needed.
CRYSTAL CLEAR CARTRIDGE - Transparent housing offers quick, hassle-free monitoring of resin condition, keeping your water quality in check.
PRECISION RESIN CAPACITY - 21 cubic inches of high-efficiency mixed bed resin ensures optimal water purification performance.
TRUSTED QUALITY PERFORMANCE - Highly rated by thousands with near-zero TDS results, delivering pure, professional-grade water treatment.
SEAMLESS RO BUDDIE INTEGRATION - Comes with mounting clips designed specifically for easy attachment to your RO Buddie system.

The Aquatic Life DI Color Changing Mixed Bed Resin Cartridge features 21 cubic inches of mixed bed resin housed in a clear, color-changing cartridge that visually signals resin exhaustion. Designed for seamless mounting on RO Buddie systems, it delivers near-zero TDS water purification, making it a reliable choice for professional-grade water treatment.

Specifications

ASIN	B00DSP57BQ
Allergen Information	Nut Free
Best Sellers Rank	#114,565 in Kitchen ( See Top 100 in Kitchen ) #362 in Water Filter Cartridges
Brand Name	Aquatic Life
Customer Reviews	4.6 4.6 out of 5 stars (1,357)
Global Trade Identification Number	00810957012427
Included Components	Aquatic Life DI Color-Changing Mixed Bed Resin Cartridge for RO Buddie
Item Form	Liquid
Item Type Name	Resin Cartridge
Item Weight	0.99 Pounds
Manufacturer	Aquatic Life
Manufacturer Part Number	330242
Model Number	330242
UPC	810957016685 810957012427
Unit Count	1 Count

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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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฿4495

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In stock

Sold byAmazon ThailandDelivered 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 Thailand.

Secure transaction

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