SKU: 6108821112

[ALWAYS IN STOCK] MarinePure® GEMS 90g – Advanced Biofilter Media (Up to 260L Tank Capacity)

$28.80 $32.00
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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For Your Every Summer RSVP, with Code: SUMMER15

Description

[ALWAYS IN STOCK] MarinePure® GEMS 90g – Advanced Biofilter Media (Up to 260L Tank Capacity)MarinePure GEMS Ultra Efficient Biofiltration for Nano & Small Aquariums *(90g Filters up to 70 Gallons 260L)* Supercharge Your Tanks Beneficial Bacteria! These high porosity ceramic GEMS provide 1,450 in of surface area giving nitrifying bacteria the perfect home to: Reduce harmful ammonia & nitrites faster Lower maintenance by stabilizing water quality Prevent "mini cycles" when adding new fish Work in ANY tank setup freshwater or saltwater Why Your

MarinePure® GEMS – Ultra-Efficient Biofiltration for Nano & Small Aquariums

*(90g | Filters up to 70 Gallons / 260L)*

Supercharge Your Tank’s Beneficial Bacteria!

These high-porosity ceramic GEMS provide 1,450 in² of surface area – giving nitrifying bacteria the perfect home to:
✔ Reduce harmful ammonia & nitrites faster
✔ Lower maintenance by stabilizing water quality
✔ Prevent "mini-cycles" when adding new fish
✔ Work in ANY tank setup – freshwater or saltwater

Why Your Tank Needs MarinePure GEMS

🔹 18-20mm size – Fits even tiny filter chambers
🔹 Open-cell structure – 10X more bacteria space than bio-balls
🔹 Chemically inert – Won’t alter pH or leach chemicals
🔹 Place anywhere – Sump, HOB filter, canister, or overflow box

How to Use for Best Results

1️⃣ Rinse lightly (with tank or RODI water)
2️⃣ Place in high-flow area (after mechanical filtration)
3️⃣ Speed up colonization with bacterial starter (like Microbacter7)
4️⃣ See full benefits in 2-4 weeks

Package Includes:

  • 90g (3.2oz) of premium MarinePure GEMS

  • Enough for nano tanks up to 70 gallons

PRO TIP: Add a few GEMS to your filter when:
• Starting a new tank
• Increasing fish load
• Recovering after medication

The Secret to Crystal-Clear Water & Healthier Fish!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6108821112

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4.5 ★★★★★
Based on 26 reviews
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Product Reviews
A
Verified Purchase
Amy
Waukegan, US
★★★★★ 5
It worked!
Set name: 10 Jumbo, Set name: 10 Jumbo
I bought this to fit a full size 4" memory foam mattress topper. I gotta say it took 3 of us. 1 to lay on the memory foam and 2 of us to get it shoved in and keep pulling the bag up. But it actually fit! My arm was dying using the hand pump so we used a vacuum. It worked better than the hand pump. Due to what I was storing it did not shrink very flat, but compared to the size of the memory foam it shrunk a lot and will definitely save space! The bags arrived today so I dont know how well it holds up long term but the bag was very sturdy yanking it up around the foam. Didn't tear or stretch. And it actually fit!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
L
Verified Purchase
Lauren
Charlottesville, US
★★★★★ 5
Air comes out and STAYS out!
Set name: 10 Medium
I’ve tried so many different versions of these vacuum storage bags over the years, and this company seems to have finally figured it out. They’re absolutely not exaggerating about the 80% space savings. What really impressed me is the pump design — it actually screws onto the bag, so it stays securely attached while removing the air instead of constantly slipping off. It also has a stop valve built in, which prevents air from escaping when you remove the pump to put the cap back on. Such a smart design improvement over other brands I’ve used. I bought the medium 10-pack to store my winter clothes in two 66-quart storage bins, and they fit surprisingly well. That said, part of me wishes I had also picked up a few of the smaller sizes just because they’d probably make stacking and organizing even easier. Overall though, I’m really impressed with the quality and design.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
L
Verified Purchase
Lenape
Belleville, US
★★★★★ 5
Great bags!
Set name: 10 Jumbo
These space bags are awesome! The company gives you a hand pump but your vacuum works great. They also give you tabs to slide over the ziplock part which works great. I bought the jumbo bags and I can’t believe what I was able to fit in them. More than one summer king size comforter in a bag, and 1 oversized extra large and thick king size winter comforter with shams and sheets in one bag. Other bags had several queen size quilts or comforters and decorative pillows. I highly recommend these bags. The price is great too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
M
Verified Purchase
mitziel
Massapequa, US
★★★★★ 4
Space saver for travel
Set name: 20 Combo
So far the bags are working out just fine. There was one bag that does not seal, but I will still use it for storage . They will definitely help save room in my suitcase because I have to transport bulky clothing. It is very easy to pack and seal the bags and I like the variety of sizes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
J
Verified Purchase
JMG
Natrona Heights, US
★★★★★ 5
Great Bags!
Set name: 20 Combo
The bags are perfect for packing clothes for storage. I used them for my babies clothes and they fit great. I love the variety of sizes, and they are very easy to use. The zipper piece is a bit tricky to get on, but the zipper stays locked in place when closed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026

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