

💧 Transform your aquarium into a crystal-clear masterpiece—because your aquatic friends deserve the best!
Tetra CrystalWater is a fast-acting, mineral-based water clarifier designed for all freshwater aquariums. It safely removes cloudiness by binding suspended particles, delivering visible results within hours and full clarity in under half a day. Safe for fish and shrimp alike, this 100 ml formula supports optimal filtration and keeps your tank looking showroom-ready.








| ASIN | B005P7ES8S |
| Allergen Information | Allergen-Free |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 16,042 in Pet Supplies ( See Top 100 in Pet Supplies ) 199 in Aquarium Water Treatments |
| Customer Reviews | 4.6 4.6 out of 5 stars (355) |
| Date First Available | 8 Aug. 2009 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| EU Energy Efficiency Label | B |
| Flavor | Other |
| Item Form | Liquid |
| Item Weight | 100 g |
| Item model number | T272 |
| Manufacturer recommended age | 5 years and up |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Pet Type | Fish and Aquatic^Fish and Aquatic |
| Product Dimensions | 20 x 20 x 11 cm; 100 g |
| Quantity | 1 |
| Size | 100 ml (Pack of 1) |
| Specific Uses | Indoor^Suitable for Fresh Water |
S**C
Highly recommended
This product does what it says on the tin and is amazing. My water was already clear (not cloudy at all) but there was small particles or simply not crystal clear to the highest limit, this product made it crystal clear (water clearness quality now up to the level of a show tank in an aquarium shop). Shrimp safe (at least it was in my tank): No note about its usage in shrimp tanks on the package. I have a mixed fish and shrimp tank (20 mixed red cherry and amano shrimps), had no issue with shrimps after I used the product so I can say t was shrimp safe in my experience. Leave 24 hours between this product and tap water safe (as stated on the package instructions). Highly recommend!
J**E
Aquarium
Great item thankyou, reasonable price
M**N
Works most of the time
Works most of the time, but you seem to need more than the stated amount to really see the difference
K**R
water safe
keep water safe for the fish
G**R
Tetra Crystal Water Clarifier is brilliant.
I received something similar to the Tetra Crystal Water Clarifier in a bio-orb filter pack I ordered once before and it worked a treat on my fish tank making the water very clear and the tank looked very clean. I tried to look for the same product again but was unable to remember what it was called and I had well and truly thrown out the packaging. I am very bad for reading reviews and I usually go on price or a recommendation from a friend or family member. I ordered this product without reading any reviews and was very happy to say that is does exactly what is supposed to do and my fish tank has extremely clear water and looks very clean.
N**H
Good Aquarium Product
Good Aquarium Product - useful tool for keeping your aquarium safe. Does the job & fair price.
C**R
Works great
My water was cloudy for weeks, I replaced the filter, did partial water changed but it still remained a bit cloudy. This stuff was literally my last resort. Luckily for the fish it worked! I did my usual water change today and added some of this to the tank, it's now 6hrs later and for the first time in ages my water is as clear as tap water! Plus the fish are more active. Iv noticed some people complaining about the price, really? A fiver? I'd pay triple that for clean water. Highly recommended
D**K
clear water treatment
good 4 price
B**.
Lo uso habitualmente.
M**B
Good
X**A
Hola si funciona yo eche un tapón entero por qué desde que me mudé no sé por qué el agua aún que sifone el acuario y tenga sus filtros y eso se me ponía muy turbia el agua incluso con mal olor y olía toda la casa fue echar esto y al día siguiente mire y mira no os asustéis por el nivel del agua es que como hace tanta calor aquí compré por Amazon un ventilador para el acuario funciona perfectamente pero evapora el agua muy rápido
F**.
Excelente. Un poco caro . Pero funciona bien y no daña los pececitos
D**.
Cuidado que es un tamaño mini de 100ml!
Trustpilot
1 month ago
3 weeks ago