For the Refugium

For the Refugium

There are 20 products.

Macroalgae for the Marine Refugium / Sump

The following marine algae species are a great choice to keep them in a Sump / Refugium, with an extra refugium light for them to grow. They are the first choice when it comes to reducing the Nitrate and Phosphate levels in the reef tank, fish only aquarium or seahorse tank, as they grow very fast...

Macroalgae for the Marine Refugium / Sump

The following marine algae species are a great choice to keep them in a Sump / Refugium, with an extra refugium light for them to grow. They are the first choice when it comes to reducing the Nitrate and Phosphate levels in the reef tank, fish only aquarium or seahorse tank, as they grow very fast.

All the algae we sell are from our special Algae Tanks setups which are kept without any fishes for a disease-free and premium quality. This said, the might come with hitchhikers not limited to Copepods and Rotifers, as those beneficial critters love the protected environment of our planted marine tanks.

Beside of the Chaetomorpha / Chaeto algae species, these algae are mainly invasive saltwater algae species, which would need in an Aquarium Tank Display much more work to keep them restrained. Thus they are perfect to be placed in the restrained area of a marine Sump / Refugium area.

If you have a typical Refugium / Sump setup with 3 chambers we would recommend to use the middle chamber for the macro algae, so the parts with the return pump/protein skimmer will stay algae free. As well we recommend using a coarse filter before the last chamber. so no algae can enter your tank display.

Beside of the great advantages of reducing the Nitrate and Phosphate Level in the tank, they will as well provide a perfect environment for Copepods and Rotifers too and help to increase the population of those beneficial cultures.

Surely it is possible to add almost all of our marine macro algae we offer to the Sump / Refugium, but we would recommend much more green macro algae species, as they will grow faster, which means they will lower more effective the Phosphate / Nitrate levels. 

Red Macro Algae species could be placed in the sump/refugium too,  but they grow mainly much slower than the green algae species, and they are in our opinion almost to beautiful to hide them in a sump/refugium. But when you have an open refugium/sump tank as a planted refugium show aquarium, they will surely look great in it.

Our first choice for marine plants in the Refugium / Sump area for fast-growing algae are the following macro algae species:

Caulerpa Taxifolia

Caulerpa Racemosa Peltata

Caulerpa Brachypus

Caulerpa Serrulata

Caulerpa Racemosa Cylindrica

Caulerpa Racemosa Grape Caulerpa

Marine macroalgae will provide you still all the other great benefits, which we explain more at the Facts part.

We hope you enjoy our beautiful marine macroalgae collection and if you have any questions don't hesitate to contact us.

Receive updates about latest arrives and offers with our Newsletter plus a 5% Discount Voucher for new subscribers.

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Showing 1 - 20 of 20 items
  • Ochtodes Sp.

    The marine algae Blue Ochtodes sp. with its purple/blue colour is a fantastic addition to the marine tank. It will add a beautiful and rare to find colour to the tank and will quickly become a centerpiece. This macro algae species has a very dense structure which offers great hiding space for beneficial hitchhikers like copepods, rotifers, starfishes and...

    £ 5.95
    0 1 2 3 4 28 Review(s) 
  • Gracilaria Curtissae

    The Gracilaria Curtissae macro algae is beautiful red marine algae species. It features deep red branches which will form a symmetrical bush. Gracilaria species are slow growing and need a long time to attach themself.A great alga for the Marine Tank Display, where it will become surely fast a highlight and it might compete when it comes to the beauty of...

    £ 6.95
    0 1 2 3 4 11 Review(s) 
  • Gracilaria Vermiculophylla

    The Gracilaria Vermiculophylla is a beautiful algae species which we are able to offer you new from the Gracileria family.  It is a striking red algae species, which is a perfect addition to any reef tank display and the Seahorse tank as it is a non-invasive algae which offers additional natural holdfasts. It features long red branches which will become...

    £ 8.95
    0 1 2 3 4 6 Review(s) 
  • Cryptonemia Crenulata

    Cryptonemia Crenulata is a very rare to find macro algae, which is a shame as it is with its thick branches and its deep red colour a real eye catcher in the tank display. Unfortunately, it grows extremely slow, so we can offer this macro algae just from time to time. It is an easy to care for as it is non-invasive and needs just low lighting.

    £ 6.95
    0 1 2 3 4 11 Review(s) 
  • 4 Macro Algae Starter-Pack

    This macro algae pack is a great choice for you when you just started to enrich your marine tank with macro algae and you don't want to save some money to start with. You will get 4 different marine algae starter frags out of our macro algae selection, which we will choose for you.

    £ 14.95
    0 1 2 3 4 20 Review(s) 
  • Acanthophora Spicifera

    Acanthophora Spicifera is a gorgeous looking macro algae which belong to the red algae species although its colour ranges between brown/reddish/purple depending on what light is used. This species has irregular stiff uprights, which are quite fine and it can attach itself to rocks, shells, etc. A great algae choice for the tank display and Seahorse...

    £ 7.95
    0 1 2 3 4 9 Review(s) 
  • Gracilaria Hayi

    The Gracilaria Hayi or often called Red Bush marine macro algae is a beautiful algae for the Tank Display and will be surely become fast an optical highlight in every marine aquarium. This macro algae has a fluorescent red colour and features rigid, irregular shaped branches that will form a symmetrical bush.

    £ 8.95
    0 1 2 3 4 6 Review(s) 
  • Red Turf Macroalgae

    We couldn't identify the beautiful looking macro algae species, but as it is a fast growing algae species which our Yellow Tang likes to eat, so we don't wanna keep it away from you. It is a beautiful red coloured macro algae species which will attach itself with a more delicate structure.

    £ 8.95
    0 1 2 3 4 11 Review(s) 
  • Halymenia sp. Dragon’s Tongue

    Halymenia sp. Dragon’s Tongue is a very popular macro alga in the marine aquarium as it is a great alga for the Tank Display. Beautiful looking, slow growing and non-invasive.The body of the macro algae is a deep red, while the new growth tips are more orange These macro algae will become fast a highlight in the Reef Tank & Seahorse Tank too, where it...

    £ 9.95
    0 1 2 3 4 10 Review(s) 
  • Rhodopeltis sp.

    We recently received this red marine algae new and it is now ready to sell.The species is called Rhodopeltis sp., a very rare to find marine macro algae. It is a very stiff growing macro algae which develop slowly beautiful branches. An amazing looking red alga for the Tank Display where it will provide hiding space for small fishes and critters and an...

    £ 11.95
    0 1 2 3 4 4 Review(s) 
  • The Seahorse Trust - Donation
     

    Thanks to some of our kind customers we came in contact with The Seahorse Trust.  We believe that a little help and a little consideration can make big changes and we got the impression that the UK registered charity The Seahorse Trust is very passionate about the work they are doing.

    £ 1.00
    0 1 2 3 4 0 Review(s) 
  • Botryocladia - Red Grape

    The Botryocladia - Red Grape marine macro algae is with its vibrant deep red coloured grapes an eye catcher in the marine tank and on high demand. It is a non-invasive, beautiful looking marine algae which will look amazing in any marine aquarium, as a medium fast growing algae species perfect for Nano-Tank, Reef-Tank and Seahorse Tank, as it will provide...

    £ 6.95
    0 1 2 3 4 22 Review(s) 
  • Gift Card £10
    GC-10

    With our Gift Voucher it is now much easier to get the perfect gift for your friends or family.The voucher is valid  on our full range of marine macro algae, so your recipients can get exactly choose what they want. The Gift Voucher can be used several times (as long as the balance is positive) and includes our 100% Satisfaction Guarantee.Valid until:...

    £ 10.00
    0 1 2 3 4 0 Review(s) 
  • Chondria Sp

    The marine macro algaeChondria is a very interesting addition to the marine tank. It grows rather in clumps and needs to be restricted, as it will attach itself easily to anything. It features fine, irregular shaped branches and will be found in nature normally in shallow waters. Unfortunately, we lost this species. We are looking for this algae to get...

    £ 6.95
    0 1 2 3 4 0 Review(s) 
  • Halymenia Durvillei Dragons Breath

    The Halymenia Durvillei or often just called Dragons Breath marine macro algae has a red coloured structure with vibrant orange - yellow fluorescence tips. It has a more soft structure and will look great in any marine tank setup.

    £ 7.95
    0 1 2 3 4 1 Review(s) 
  • Fauchea Sp.

    Fauchea Sp. or Purple Fauchea is an extremely rare to find macro algae. It features thick branches which will turn more violet as more light it gets. A beautiful slow growing marine algae for the Reef Tank or Seahorse Aquarium.

    £ 14.95
    0 1 2 3 4 2 Review(s) 
  • Gift Card £25
    GC-25

    With our Gift Voucher it is now much easier to get the perfect gift for your friends or family.The voucher is valid  on our full range of marine macro algae, so your recipients can get exactly choose what they want. The Gift Voucher can be used several times (as long as the balance is positive) and includes our 100% Satisfaction Guarantee.Valid until:...

    £ 25.00
    0 1 2 3 4 0 Review(s) 
  • Solieria spp.

    Solieria spp. or often just called Red Bamboo is an interesting different looking marine macro alga. It has bright to dark red long canes which wich will split at the end and grow on in further canes. This alga can grow more than 20-30cm long and it will be a perfect addition to the tank display and Seahorse Aquarium.

    £ 8.95
    0 1 2 3 4 5 Review(s) 
  • Haliptilon Sp

    The macro algae Haliptilon is a lightly to heavy calcified marine macro algae species which features feather / fern-shaped blades. It is a beautiful highlight for the marine aquarium, although very slow growing and therfore we can offer it unfortunately just time to time.

    £ 7.95
    0 1 2 3 4 1 Review(s) 
  • Nemastoma Sp

    The Nemastoma Sp aka Red Finger marine macro algae is a not very common marine macro algae species, as it is very rarely available. It features red irregular branches and will form rather small clumps. It is slow growing and will be a beautiful addition to the marine tank display and perfect for Seahorses as it provides natural holdfasts.

    £ 7.95
    0 1 2 3 4 0 Review(s) 

Frequently Asked Questions

Do you have a shop to visit?

As an aquatic algae farm, we don't have a public shop to visit unfortunately but we are happy to post all our macro algae species within the UK for free to you.

And we are sure you will like your new macro algae addition once received.

How do I know when a algae is back in stock?

You can register your interest on the algae page you are looking for to get an email once it is back in stock or stay informed via our Newsletter, and or to follow us on Facebook, as we will first inform there when our algae are ready to sell again, or when we received new macro algae species.

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What means "Regrowing"?

When a macro algae species sells well we have sometimes to take it out of the sale as it will need time to regrow again.

The time for this will vary, as some macro algae species will grow very slow, whilst other - especially various  Caulerpa marine macro algae species grow quite fast.

Satisfaction Guarantee

We want you to be happy with your purchase.

Therefore we offer you a hassle free 100% Satisfaction Guarantee.
If you are not happy with your purchase we will refund your money back (UK Orders only).

Read more about here:

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