ATM Blue Shark (Formerly Colony Marine Rapid Cycle 25 gal Tank Cycle 8 oz
Product ID: 53908540
🐠Add fish same day, instant bio-filtration
🦠Authentic nitrifying bacteria strains
⏱️Cycles aquarium in days, not weeks
Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.
🐟 Cycle fast, fish faster—join the aquarium elite!
ATM Blue Shark delivers authentic nitrifying bacteria strains that rapidly cycle marine and freshwater aquariums in days, enabling immediate fish introduction. Trusted by public aquariums globally, this liquid treatment ensures efficient ammonia and nitrite breakdown with proven commercial-grade performance.
| ASIN | B00YW5SQPA |
| Best Sellers Rank | 33,229 in Pet Supplies ( See Top 100 in Pet Supplies ) 347 in Aquarium Water Treatments |
| Brand | ATM |
| Brand Name | ATM |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.6 out of 5 stars 293 Reviews |
| Global Trade Identification Number | 00870317004127 |
| Included Components | Nitrifying bacteria |
| Item Form | Liquid |
| Item Type Name | Aquarium rapid cycle |
| Item Weight | 227 g |
| Item form | Liquid |
| Item weight | 227 g |
| Liquid Volume | 8 Fluid Ounces |
| Liquid volume | 8 Fluid Ounces |
| Manufacturer | Blue Shark LLC |
| Manufacturer Part Number | 870317004127 |
| Model Number | 870317004127 |
| Target Species | Fish |
| UPC | 870317004127 |
| Unit Count | 1 count |
| Unit count | 1 count |
H**E
as described
as described real quick delivery and good product
W**Y
Good
Good product
N**K
Yes it works
After weeks of water quality issues, added the colony and then 24 hours later boom. Worked better than expected. Will grab another one to have on hand . Highly recommend Ps don't use the bio balls it will stall your cycle.
T**M
Good
Good
S**R
Brilliant product for colonisation of aquarium with good bacteria
Clear instructions, very easy to use, by far the best product I have used for colonising my fish tank and maintaining a good bio system. Not the cheapest but you do get what you pay for and this haz made a huge difference in maintaining my aquarium.
A**R
Fine
Does what it's meant to
C**E
Great to kick start your marine cycle
Great product 👌 works well
P**R
Best stuff for ur tank
This is the best stuff I've ever used for my salt water tanks sorts tank out in a day
Z**E
I did not find that it worked.
Didn't work for me.
K**D
Works great!
Isn’t as expensive as the others, and just as good if not better.
1**S
Does What It Says
Followed the directions on the bottle and my tank was fully cycled when tested three days latter!
C**R
Good stuff
Works wonderfully if you follow the including instructions.
K**.
Four Stars
I add this product to assist in balancing the nitrogen cycle...
Trustpilot
5 days ago
4 days ago