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Sea-Lab No. 28 Automatic Replenisher 2 lb. Box for Marine Aquariums 24 Blocks

asap-aquarium
(9288)
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US $39.14
or Best Offer
Was US $43.49 (10% off)What does this price mean?
Recent sales price provided by the seller
or 4 interest-free payments of $9.79 available with
Condition:
New
More than 10 available63 sold
Breathe easy. Free shipping and returns.
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Shipping:
Free 2-4 day delivery
Get it between Sat, Jun 21 and Tue, Jun 24 to 94104.
Located in: Tarzana, California, United States
Returns:
30 days returns. Seller pays for return shipping.
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eBay item number:256070080134
Last updated on Jun 07, 2025 12:40:21 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller's ...
Brand
Sea-Lab
Tank Capacity
100 gal.
Type
Water Conditioner
Test/Treatment Parameter
Calcium, Strontium, Trace Elements, Alkalinity/KH, pH Level
Water Type
Marine
Model
ASM024-28
MPN
ASM024-28
Country/Region of Manufacture
United States
UPC
000863024281

Item description from the seller

About this seller

asap-aquarium

99.5% positive feedback•31K items sold

Joined Sep 2013
Usually responds within 24 hours
ASAP-Aquarium has been providing high quality aquarium products to help ensure healthy aquatics pets for over 10 years! As a TOP RATED PLUS ebay Seller, we carefully select the premium aquatics ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

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Seller feedback (9,841)

All ratings
Positive
Neutral
Negative
  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    I don’t have any yet I just started using it
  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    Fast shipment, item meet expectations. Well packaged definitely will buy again in a near future.
  • *****- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Noticeable improvements in coral growth with these.
See all feedback

Product ratings and reviews

Learn more
4.9
12 product ratings
  • 11 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 10 reviews
  • by ktodd3200
    Jul 07, 2021Top favorable review

    No guess work!

    I had a problem raising my calcium levels in my reef tank. This product raised & maintain it with 2 blocks for almost 2 months before adding another block. I've been using this product for over 10 years with great results.

    Verified purchase: YesCondition: NewSold by: reef-shop

  • by ausmu7803
    May 22, 2024

    Product came in on time and has already been a great help to my reef tank for something that's been on the market for soo long it still works like

    Product came in on time and has already been a great help to my reef tank for something that's been on the market for soo long it still works like they made it to

    Verified purchase: YesCondition: NewSold by: saltwateraq

  • by rew1854
    Nov 29, 2017

    Sea-lab #28

    Great additive, so easy, wished i’d found out about it when I had my 150gal. Just drop in and forget about it.. Works great in my 75gal.

    Verified purchase: YesCondition: NewSold by: caspian4506

  • by trx340r
    Dec 20, 2021

    Just work!!

    Been using these for years but my LFS stopped getting them supply chain issue go figure work great for added trace elements

    Verified purchase: YesCondition: NewSold by: reef-shop

  • by bundler77
    Nov 03, 2022

    Hassleless upkeep

    GREAT for keeping salt water aquarium nutrients adequate for sea life

    Verified purchase: YesCondition: NewSold by: asap-aquarium

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