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https://www.swelluk.com:443/seachem-phosguard/ 
Seachem Phosguard
Keep your aquarium from unhealthy phosphate and silicate levels with Seachem Phosguard. This high porous water treatment can be used with both marine and freshwater aquariums to keep levels low before algae can take a serious hold on your tank.
Products
Product Information
Seachem PhosGuard removes phosphates and silicate from both marine and freshwater aquariums. It has a highly porous quality and spherical shape that allows for maximum water flow and the best results. It is not recommended for use in phosphate buffered freshwater aquariums.
PhosGuard will not leach any toxins, phosphates or silicates back into the water. Simply add the correct amount to a filter bag, or directly to the filter canister, drip tray, sump or box filter. Make sure to place it in an area of high flow, for the maximum water exposure.
Key Features
- Unique shape allows for maximum effect
- Suitable for marine and freshwater aquariums
- Can be used in a variety of filters
- Available in various sizes from 100ml to 20 litre tubs
Dosage:
Use 250ml per 300 litres of water, add to the filter, a mesh filter bag can be use
Latest Customer Reviews
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Rating Date 11/11/2019 10:11am Seachem Phosguard 250ml
I have put the recommended amount into my filter and the phosphate levels are falling but its early days (2 days in) to say whether this is due to the Phosguard or whether due to the algae. I'm waiting/hoping for the algae growth to subside. -
Rating Date 28/05/2019 19:05pm Seachem Phosguard 250ml
Very good product easy to use -
Rating Date 08/03/2018 09:03am Seachem Phosguard 500ml
Helps reduce phosphate and thus algae growth -
Rating Date 12/02/2018 16:02pm Seachem Phosguard 250ml
I bought this because i have had really bad brown algae in my 4 ft tank this was my last resort and 4 days after using this the algae still hasnt reappeared!! im overjoyed my tank looks really well up to this time ,, Great product that has removed the food the algae feed on -
Rating Date 30/10/2017 20:10pm Seachem Phosguard 500ml
Good product and does what it says it will. -
Rating Date 20/01/2017 14:01pm Seachem Phosguard 250ml
Good -
Rating Date 20/01/2017 08:01am Seachem Phosguard 250ml
Excellent -
Rating Date 12/05/2016 16:05pm Seachem Phosguard 500ml
Excellent -
Rating Date 19/02/2016 07:02am Seachem Phosguard 500ml
As Above -
Rating Date 05/01/2016 08:01am Seachem Phosguard 500ml
Poor -
Rating Date 27/12/2015 11:12am Seachem Phosguard 250ml
Good -
Rating Date 03/12/2015 20:12pm Seachem Phosguard 250ml
great value -
Rating Date 08/11/2015 14:11pm Seachem Phosguard 500ml
Good -
Rating Date 10/08/2015 20:08pm Seachem Phosguard 100ml
Excellent -
Rating Date 02/07/2015 12:07pm Seachem Phosguard 500ml
exellent -
Rating Date 10/05/2015 07:05am Seachem Phosguard 500ml
Couple days & no more phosphates! -
Rating Date 18/01/2015 20:01pm Seachem Phosguard 250ml
Excellent -
Rating Date 14/11/2014 20:11pm Seachem Phosguard 500ml
Trusted product that works -
Rating Date 14/11/2014 16:11pm Seachem Phosguard 500ml
Excellent