Seachem SeaGel - 100ml
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Product Information
Full details
Seachem SeaGel is designed for marine and reef aquarium enthusiasts who need a convenient, all-in-one solution for chemical water filtration. By combining MatrixCarbon and PhosGuard, it simultaneously removes organic impurities, colors, phosphates, and silicates to promote pristine water clarity. While highly effective, users must note that it is not suitable for freshwater aquariums that rely on phosphate-buffering systems, as the media will strip those essential nutrients.
All features
| Brand | Seachem |
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Extended Product Information
FAQs
Can I use SeaGel in a freshwater tank?
Yes, but only if your freshwater tank does not use phosphate-based buffering systems, as the media will remove those buffers.
How often should I change SeaGel?
It is recommended to replace the media every 3 to 4 months depending on the organic load of your aquarium.
Do I need to wash the media before using it?
Yes, always rinse the beads thoroughly until the water runs clear before placing them in your filter.
Does this remove toxic metals?
Yes, the PhosGuard component within the blend is effective at removing toxic metals, silicates, and phosphates.
Will this affect my coral health?
By maintaining cleaner water and lower phosphate levels, SeaGel generally supports a healthier environment for reef inhabitants.
Troubleshooting
Water remains cloudy after installation
Ensure you have thoroughly rinsed the media before placement; the cloudiness should dissipate within a few hours.
Phosphate levels remain high
Verify that your filter flow is not bypassing the media bag and consider replacing the media if it has been in the tank for longer than 4 months.
Algae growth has returned
Check your feeding habits and bio-load; if the media is saturated, replace with a fresh batch of SeaGel.
Pros and Cons
Pros
- Combined dual-media reduces the need for multiple filter bags
- Prevents clogging and ensures high flow rates via bead geometry
- Highly effective at stripping phosphates to combat algae
- Efficiently clears yellowing agents and organic odors from water
- Long-lasting formula works for up to 4 months
Cons
- Cannot be used in freshwater tanks with phosphate-based buffers
- Requires a separate filter bag for installation
- Initial rinsing is required to remove dust fines
- Limited effectiveness if the filter flow is bypassed
Setup, Compatibility & Care
To begin, place the desired amount of SeaGel into a filter bag. It is essential to rinse the media thoroughly under tap water or RO water to remove any dust created during transport. Once rinsed, place the bag in a high-flow area of your filter system. For best results, use a dosage of 250ml of SeaGel for every 150–225L of water.
Check your phosphate levels regularly using a test kit. Since the media works by chemical adsorption, it will eventually become saturated. Plan to replace the media every 3 to 4 months to ensure continuous performance. Always ensure that the media is secured in a location where water is forced through it rather than around it.