Gear
Filter rollers and media: what reef keepers commonly use
Fleece rollers that replace filter socks, and media such as resins and phosphate removers. Below are 3 items we see often, each with our honest note and where to view it in the UK and the US.
We sell nothing and earn nothing from these links. Prices are as each retailer's page showed them on the date checked, and they change. How this guide works
Listings checked . How we check
What should you look for in filter rollers and media?
- A roller saves washing socks but needs space in the sump and a power point.
- Resins and phosphate removers work best in small amounts, changed often, with tests along the way.
- Media in a bag needs water flowing through it, not past it.
Commonly used filter rollers and media
Specs are as published on the listed pages. Where the US and UK pages give different figures, we show both.
Red Sea ReefMat 250
Brand: Red Sea
Our note. A compact automatic fleece roller that replaces filter socks on tanks up to about 250 litres. Rolls are a running cost and it needs sump space and a power point.
Key specs
- Up to 65 US gal / 250 litres
- Max flow 900 GPH / 3,500 lph
- Roll 105 ft / 32 m, 8 cm wide
UK listing
Kraken Corals (UK): opens the retailer's page for Red Sea ReefMat 250 in the United Kingdom- Price as shown
- £299.00
- Checked
US listing
Bulk Reef Supply (US): opens the retailer's page for Red Sea ReefMat 250 in the United States- Price as shown
- US$349.00
- Checked
Seachem Purigen 100 ml
Brand: Seachem
Our note. A synthetic resin that removes dissolved organics and can be regenerated with bleach. It needs a fine bag and good flow, and some slime-coat products can foul it.
Key specs
- 100 ml treats up to 100 US gal for up to six months (BRS)
UK listing
Kraken Corals (UK): opens the retailer's page for Seachem Purigen 100 ml in the United Kingdom- Price as shown
- £13.99
- Checked
US listing
Bulk Reef Supply (US): opens the retailer's page for Seachem Purigen 100 ml in the United States- Price as shown
- US$10.59
- Checked
RowaPhos phosphate remover
Brand: D-D / Rowa
Our note. A ferric hydroxide media for lowering high phosphate, best run in a reactor in small amounts. Removing phosphate too fast can stress corals, so test as you go.
Key specs
- About 25 g phosphate per kg of media
- 500 ml (US) or 500 g (UK) size listed
UK listing
Kraken Corals (UK): opens the retailer's page for RowaPhos phosphate remover in the United Kingdom- Price as shown
- £22.99 (500 g)
- Checked
US listing
Bulk Reef Supply (US): opens the retailer's page for RowaPhos phosphate remover in the United States- Price as shown
- US$32.99 (500 ml)
- Checked