Outdoor, sport and everyday productsShop smarter, all in one place.
UK edition · GBP

Tetra Crystal Water Clarifier 100 ml for Freshwater Aquariums

£8.25 (as of 23/10/2026 22:50 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Tetra Crystal Water Clarifier is a 100 ml aquarium treatment for freshwater aquariums. It is described as a fast acting formula with visible results within 6 to 12 hours, and a 250 ml size is also available for buyers comparing pack sizes.

You might also need

Magnetic Aquarium Glass Cleaner for Fish Tanks Under 50 Gallon£8.95 (as of 18/07/2026 12:53 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
FEDOUR 300LPH Aquarium Air Pump with Dual Output, 3W Adjustable Original price was: £18.77.Current price is: £16.97. (as of 23/10/2026 22:41 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
SKU: B005P7ES8S Category:

As an Amazon Associate we earn from qualifying purchases.

Compare with similar Aquarium Water Treatments and Test Kits

NT Labs Broad pH Test Kit for Aquarium and Pond Water£8.23 (as of 06/11/2026 19:58 GMT - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
A Little Life Complete Aquarium 8 in 1 Test Kit£7.95 (as of 24/08/2026 23:46 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon

As an Amazon Associate we earn from qualifying purchases.

Quick Summary

Tetra Crystal Water Clarifier is a 100 ml aquarium treatment for freshwater aquariums. It is described as a fast acting formula, with visible results within 6 to 12 hours, and it is stated to be safe for all aquarium inhabitants.

The 100 ml size is one of two available sizes, so the pack quantity matters if you are comparing options for a smaller tank or for topping up an existing routine.

Key Details

DetailVerified information and buyer relevance
BrandTetra, helping confirm the exact product line.
Product typeWater clarifier for aquarium use.
Size100 ml, so check this against the amount you want to keep on hand.
Aquarium typeFor freshwater aquariums.
ResultsVisible results within 6 to 12 hours, according to the stated formula claim.
Availability of sizesAvailable in 100 ml and 250 ml, so compare the size that best matches your needs.

What to Compare Before Buying

  • Aquarium type: This product is for freshwater aquariums, so compare it only with treatments intended for the same water type.
  • Pack size: The pack is 100 ml. Check whether that is the right amount for the aquarium you plan to treat.
  • Expected timing: The formula is described as fast acting, with visible results within 6 to 12 hours. Compare that timing with how quickly you want a water clarifier to work.
  • Variant size: A 250 ml option is also available, so choose the size that suits your intended use.

Before You Decide

Confirm that you need a freshwater aquarium clarifier and that 100 ml is the right size for your setup. If you want a larger pack, compare the 250 ml version before choosing an offer. Follow the manufacturer instructions for use and treat the exact aquarium volume carefully.

YPC AI UpdatedTetra Crystal Water Clarifier 100 ml | YPCTetra Crystal Water Clarifier 100 ml is a freshwater aquarium treatment with visible results stated within 6 to 12 hours.Tetra Crystal Water Clarifier is a 100 ml aquarium treatment for freshwater aquariums. It is described as a fast acting formula with visible results within 6 to 12 hours, and a 250 ml size is also available for buyers comparing pack sizes.[

Brand

Tetra

Manufacturer

TEZSY

Binding

Misc.

Product Group

Pet Products

Language
EAN

4004218144071, 4004218285774

Part Number

T272

Model

T272

Warranty

Manufacturer Fault

Color

Clear

Product Dimensions

7.87 x 7.87 x 4.33 inches

Item Weight

0.22 Pounds

Release Date

October 19, 2011

Size

100 ml (Pack of 1)

Number Of Items

1

Energy Efficiency Class

B

Scroll to Top