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💎 Dive into crystal clarity—because your aquarium deserves the spotlight.
Tetra CrystalWater is a 250ml liquid treatment designed to eliminate cloudiness in aquarium water within 6 to 12 hours. Using active minerals, it binds and removes dirt particles, enhancing water clarity and fish health. Ideal for freshwater tanks (excluding those with invertebrates), it integrates easily with existing filtration systems and is highly rated by aquarium enthusiasts worldwide.
| ASIN | B005P7ESII |
| Best Sellers Rank | 740 in Pet Supplies ( See Top 100 in Pet Supplies ) 4 in Aquarium Water Treatments |
| Brand | Tetra |
| Brand Name | Tetra |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.5 out of 5 stars 803 Reviews |
| Global Trade Identification Number | 04004218144132 |
| Item Form | Liquid |
| Item Type Name | food |
| Item Weight | 249 g |
| Item form | Liquid |
| Item weight | 249 g |
| Liquid Volume | 250 Millilitres |
| Liquid volume | 250 Millilitres |
| Manufacturer | Spectrum Brands |
| Manufacturer Part Number | T273 |
| Model Number | T273 |
| Target Species | Fish |
| Unit Count | 250.0 millilitre |
| Unit count | 250.0 millilitre |
P**T
Crystal water
This is a necessary item to keep the water nice and clear for your fish, it’s very functional, easy to use, great value for money, ideal for fish health
M**A
Tanks alot
Great for the tank
D**N
Does work.
Does seems to work but not needed that often. This works well and comes in a big pack which I thing will last a long time as its not really needed that often. This isn't supplied in English packaging but there is a handy sticker on the back with a translation.
L**E
Crystal clear
Does exactly what it says. I use every week after water change. I have always used Tetra products so when I saw this on offer for £8 I ordered it. It took 3mths to arrive.
T**Y
Crystal clear
First time I have used this product and I have been keeping aquarium fish for over 30 years. Product is great and my son commented how clear the water is and he had no idea I had used it, so it must work. Be patient as it took about 36 hours to work completely although I noticed and improvement after 12.
B**Y
easy to use
When first applied to tank the water went quite cloudy and took a couple of days to totally cler but end result was very good, water looked crystal clear with no adverse effects on fish.
D**P
Great value
Fish love it calms them when changing the water and cleaning tank and good price
S**N
clear water
Having purchased 100ml of this from pet store for £5 after having had cloudy water this worked a treat, so when seeing I could purchase the larger bottle of 250ml from here for £9.45 I ordered it to keep by for when needed. If you are having trouble with cloudy or unsightly water colour then adding this stuff will totally clear the water and it does what it says on the bottle gives your aquarium crystal clear water, now knowing what this does I would not be without a bottle of it and would highly recommend this, also it came packaged from the seller very well and the delivery was quick too, arriving 3 days after ordering.
L**A
no funciona
lo e probado en mi acuario de 250L siguiendo las instrucciones de uso y la verdad que no me dio resultado. el acuario seguia con el agua turbia aun despues de probarlo varias veces no aclara nada
M**O
Excelente
Excelente
A**Z
Hay echar poco y si funciona
Se nota q ñimpia de impurezas el agua no esta tan turvia como antes de usarlo. Si abusas de este producto los peces se resienten y enferman. Echo un tapon al mes
A**A
Buen producto. Satisfecha
Funciona bien. Todavía tienes que cambiar el agua cada 10 o 12 días, pero se nota mucho la diferencia. Lo recomiendo
A**A
Que el agua si que la deja cristalina pero no puedes tener en la pecera caracoles ni nada de eso
La verdad que hace efecto pero no tan rápido como dicen
Trustpilot
3 weeks ago
3 weeks ago