The Ultimate in Phosphate Removal

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ROWAphos is the professional method of removing Phosphate and Silicate in all types of Aquariums and Ponds. It has the largest absorption ability of any phosphate product and will not leach back in to the water.

Amount of Rowaphos required
to remove phosphate at 3ppm=
Aquarium Type
Description Fresh Water Salt Water
RP10 100 ml packet of ROWAphos 800 liters (200 US gal) 400 liters (100 US gal)
RP25 250 ml packet of ROWAphos 2000 liters (500 US gal) 1000 liters (250 US gal)
RP50 500 ml packet of ROWAphos 4000 liters (1000 US gal) 2000 liters (500 US gal)
RP100 1 liter bucket/tub of ROWAphos 8000 liters (2000 US gal) 4000 liters (1000 US gal)

Why our delivery is awesome!

Just a few reasons why Charterhouse are the industry leaders

1 Hour Delivery Slot

We provide a 1 hour delivery slot for all Premium Next Day delivery services. No more waiting in all day.

SMS And Email Notification

Your delivery slot will be text and emailed to you. You can then submit a different day or request the parcel is left with a neighbour.

Weekend Deliveries

We now offer deliveries on both days of the weekend. These services can be selected at checkout.

Free Shipping Over £50

Spend over £50 on your order and qualify for free shipping. Next day and timed services available.

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Flexible Payment Options

We offer flexible monthly finance options. Credit is subject to application and status.

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Reward Points

As a thank you, we run the Charterhouse Points scheme. Earn points on every order.

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