Seachem PhosGuard 100mL
Seachem PhosGuard 100mL is a powerful solution for maintaining water quality in aquariums by effectively removing phosphates and silicates. This high-capacity filter media works swiftly to prevent algae growth and improve overall water clarity. Ideal for both freshwater and marine environments, it ensures a healthier habitat for your aquatic pets.
Key Features
- Removes phosphates and silicates from aquarium water
- Helps prevent algae growth
- Improves overall water clarity
- Safe for use in freshwater and marine tanks
| Specification | Value |
|---|---|
| Volume | 100mL |
| Active Ingredients | Phosphate and silicate binding agents |
| Usage | Filter media for aquariums |
| Environment | Freshwater and marine |
FAQ
How often should I replace the PhosGuard media?
Replace every 4 to 6 weeks depending on tank size and phosphate levels.
Can PhosGuard be used in both freshwater and saltwater tanks?
Yes, it is suitable for both freshwater and marine environments.
Does PhosGuard affect water pH or hardness?
No, it does not alter pH or water hardness.

Leah Abraham –
I’ve used PhosGuard for three months in my 55-gallon freshwater tank. Algae growth has dropped significantly, and the water looks much clearer. Easy to add to my filter system and no noticeable changes in water chemistry.
Peter Gill –
Good product for reducing phosphate levels. Works well in a reef tank with moderate algae issues. I see a noticeable improvement in water clarity after a week of use.
John Avery –
My marine tank had persistent algae problems. After adding PhosGuard, the green film on the glass disappeared within two weeks. It’s reliable and effective.
Sebastian Greene –
Used it in a community tank with fish and plants. Water clarity improved, and I no longer need to do frequent water changes. Slightly more expensive, but worth it.