Aquatic Life DI Color Changing Mixed Bed Resin Cartridge, Aquarium, Hydroponics
ETB 5128
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This mixed-bed deionization filter reduces Total Dissolved Solids (TDS) to zero, giving you the purest water for aquariums.
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Product Details
- INLINE DI RESIN CARTRIDGE: Direct replacement for the Aquatic Life RO Buddie +DI system; This mixed-bed deionization filter reduces Total Dissolved Solids (TDS) to zero, giving you the purest water for aquariums
- COLOR-CHANGING RESIN: Resin changes color from blue to tan when exhausted, so you’ll always know exactly when it’s time to replace
- ULTRA-PURE WATER FOR AQUARIUMS: Removes the final dissolved minerals and debris after RO filtration, producing water that’s extra clean and gentle for sensitive fish and plants
- EASY INLINE DESIGN, REFILLABLE HOUSING: Connects with standard ¼” tubing using press fittings at each end. Installs quickly into your RO Buddie +DI system without tools; he translucent cartridge comes with a removable cap so you can refill it with Aquatic Life bulk DI resin
- SUBSCRIBE AND SAVE FOR CONVENIENCE: Never run out of filters—enroll in the Subscribe and Save program for automatic deliveries at your chosen frequency and enjoy extra savings with each order
| Brand Name | Aquatic Life |
| Manufacturer | Aquatic Life LLC |
| UPC | 810957016685 810957012427 |
| Global Trade Identification Number | 00810957012427 |
| Model Number | 330242 |
| Manufacturer Part Number | 330242 |
| Unit Count | 1 Count |
| Item Type Name | Resin Cartridge |
| Included Components | Aquatic Life DI Color-Changing Mixed Bed Resin Cartridge for RO Buddie |
| Item Weight | 15.84 ounces (449.06 grams) |
| Item Form | Liquid |
| Allergen Information | Nut Free |
| Product Dimensions | 2 x 0.25 x 12 inches (5.1 x 0.6 x 30.5 cm); 15.84 ounces (449.06 grams) |
| Brand | Aquatic Life |
Who Should Buy?
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Aquarium Enthusiasts
Ideal for aquarium owners seeking to maintain crystal clear water by effectively removing impurities and contaminants.
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Hydroponic Growers
Perfect for hydroponics where pure water is essential for healthy plant growth and optimal nutrient absorption.
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Water Testers
Beneficial for users who frequently test water quality and want an easy solution for achieving desired purity.
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Budget-Conscious Users
May not be suitable for users looking for the most economical solution due to ongoing resin replacement costs.
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Small-Scale Users
Less practical for users with minimal water filtration needs, as the capacity may exceed their requirements.
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Temporary Users
Not ideal for individuals seeking a short-term solution, as resin requires regular maintenance and replacement.
Product Description
Customer Questions & Answers
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Question:
What is the benefit of using this deionization filter?
Answer: It reduces Total Dissolved Solids (TDS) to zero, ensuring ultra-pure water for your aquarium. -
Question:
How do I know when to replace the filter?
Answer: The resin changes color from blue to tan when exhausted, indicating it's time for a replacement. -
Question:
Can I refill the cartridge myself?
Answer: Yes, the translucent cartridge has a removable cap for easy refilling with Aquatic Life bulk DI resin. -
Question:
Can anyone verify if this is the 21 or 31 cubic in. version?
Answer: 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 -
Question:
How often do i need to replace this cartridge?
Answer: 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. -
Question:
Will I need to purchase any tubing or any other additional pieces aside from the RO Buddie itself?
Answer: 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. -
Question:
My cartridge does not remotely look green, it's more like a shimmering black, purple, and blue. Anyone else had that problem?
Answer: Is it blue when new or it turned blue? Mine is green. I think if it's blue it's used. -
Question:
How often do mixed bed resin need to be replaced?
Answer: It lasts about 100 gallons before they change color and need to be replaced -
Question:
Does this come with a bracket to attach it to the RO Buddie?
Answer: Yes this does come with the bracket. Also this resin was shot after first full on my aquarium. 120 gallons... should last longer! It works great though. This system took my tds from 168ppm to 0!! -
Question:
How long does if take for the color to change? Mine almost fully changed after 1 use with only 15 gallons pumped through.
Answer: The color is a bad indicator. Get a TDS meter. Mine was reading sub 5 for about 6 months. -
Question:
Can you Refill this? If so any DI Resin work?
Answer: Yes you can refill it. Its very handy -
Question:
How much resin do I put in cartridge when replacing?? Also do I pack it in or just fill it up?
Answer: I just fill it all the way up. About 3 cups of resin, but recently when I put the cap back, It was broken. I have to came back to use dual refillable resin cartridge-canister. -
Question:
Assuming I have 30tds from my ro unit. How long will this di unit last?
Answer: My tap water usually runs 100-122. Servicing two three gallon micro tanks this cartridge lasted over a year. Also the cap is removable and the DI medium can be purchased for a much more reasonable cost than buying a complete cartridge. Also consider at least a couple times I forgot to turn the water off and my container overflowed and for overnight ran down the drain. Hope this is of help.
AquaticLife Filter Accessories 330242 Editorial Review
The Aquatic Life DI Color Changing Mixed Bed Resin Cartridge is a refillable cartridge that works well with the Aquatic Life RO Buddie system. It is effective in producing 0 ppm water and improving the taste of water, coffee, and food. The cartridge lasts for about 100 gallons before needing to be replaced. However, some customers have experienced issues with the cartridge not changing color or leaking. Overall, it is a handy and cost-effective option for improving water quality.
Customer Reviews & Ratings
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5 Star
77%
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4 Star
11%
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3 Star
7%
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2 Star
2%
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1 Star
3%
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Pros
- Produces 0 ppm water
- Improves taste of water, coffee, and food
- Refillable cartridge
- Cost-effective compared to buying complete cartridges
- Easy to use and install
Cons
- Cartridge may not change color as expected
Product Price History
Important information
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ETB 5128
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Features & Benefits
- Direct replacement for Aquatic Life RO Buddie +DI system.
- Reduces TDS to zero for the purest aquarium water.
- Color-changing resin indicates when to replace the filter.
- Removes final dissolved minerals for ultra-pure water.
- Easy installation with standard ¼” tubing, no tools required.
- Subscribe and Save for automatic deliveries and extra savings.





















