Seachem phosguard 250ml
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Description
Seachem PhosGuard 250ml
A chemical filter media made from spherical aluminum oxide, designed to remove unwanted nutrients from aquarium water.
What it does
- Removes phosphate (PO₄) → main cause of algae
- Removes silicate (SiO₂) → helps control brown algae (diatoms)
- Improves water clarity
- Does not release absorbed waste back into water
Key features
- Spherical beads → better water flow, less clogging
- Works in both freshwater and marine aquariums
- Fast acting (works within a few days)
- High adsorption capacity
Dosage & usage
- Use about:
- 85 ml per 200 L (saltwater)
- 85 ml per 400 L (freshwater)
- Place in:
- Media bag
- Canister filter / sump / HOB filter
- Use for about 4 days, then check phosphate level and replace if needed
When to use it
- Algae problems
- High phosphate levels
- Brown algae (diatoms) outbreaks
- Overfeeding or high waste tanks
Important notes
- Not ideal for phosphate-buffered planted tanks
- Avoid sudden large drops in phosphate
- Not reusable (replace when exhausted)
- Always rinse before use
Care
Caring for your clothes is also caring for the environment.
To keep your clothes fresh and clean, simply refresh them and gently wipe with a cloth or clothing brush. This is a more delicate process for fabrics and helps avoid water and energy consumption from washing.
- Hand wash at a temperature not exceeding 30ºC / 86ºF
- Do not use bleach or brighteners
- Iron at a temperature not exceeding 110ºC / 230ºF
- Do not dry clean
- Do not tumble dry
Shipping & Returns
- Free shipping on orders over $50
- Standard delivery within 2–5 business days
- Easy 30-day returns
- Return items in original condition for a full refund
Standard delivery within 2–5 business days
Return items in original condition for a full refund
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