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Red Macro Algae

Red Macro Algae

There are 20 products.

Red Macro Algae for the Marine Aquarium

Welcome to the beautiful world of red coloured marine macro algae in the marine aquarium.

The red marine macro algae species are a great choice for almost any type of marine aquarium setup, as most of them grow just slow to medium fast and they and they don't attach themselves. Therefore they belong to the...

Red Macro Algae for the Marine Aquarium

Welcome to the beautiful world of red coloured marine macro algae in the marine aquarium.

The red marine macro algae species are a great choice for almost any type of marine aquarium setup, as most of them grow just slow to medium fast and they and they don't attach themselves. Therefore they belong to the non-invasive algae species.  

Red marine macro algae species are therefore great to use in a Nano-Aquarium, Seahorse tank, Reef Aquarium and especially there in the best algae for the Display Tank. Surely they can be kept in the sump / refugium as well, but when you see them, you don't want to hide them there :)

Some varieties of the red macro algae are so beautiful that they can easily compete with some corals, so it is no wonder that they are some of the most highly sought after marine macroalgae species.

All our 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.

The Top Seller of our Red Marine Macro Algae collection:

Blue Ochtodes ( which will attach itself ). These algae look just brilliant in the Tank Display and offer a perfect space for Copepods and Rotifers.  Ochtodes Sp. 

Botryocladia - Red Grape is one of our favourites. It can grow easily but slowly 30-40 cm long and with its red grapes, it will be fast become an attraction by itself in any marine aquarium. Seahorses love to hold onto these macro algae, and they just look even more amazing :) Red Grape Algae

Halymenia macro algae species. We have at the moment for sale the Dragon's Tongue. A stunning looking red macro algae species, which will again be anyone's favourite in the marine aquarium. Perfect fitting for the Tank Display, non-invasive and very Seahorse friendly. Halymenia Sp. Dragons Tongue

We offer much more red marine macro algae species, and they all have their very own beautiful site. If you can't decide which one you should get, just give us a call and we are happy to help you with your decision.

Red macro algae of the family Rhodophyta are one of the largest marine macro algae species with about 5,000–6,000 different types. The dominant pigment Phycoerythrin gives it the stunning shades of red, orange and blue.

In addition to a beautiful natural look of the marine aquarium, they will add all the benefits of marine macroalgae, which you can rad more about in our Facts & FAQ part here

We hope you enjoy our beautiful red marine macroalgae collection and feel free to contact us whenever you have a question

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 great addition to the marine tank. It will add a beautiful and rarely to find colour to the tank and will quickly become a centrepiece. It is as well a great macro algae for copepods, as it will provide an excellent shelter, increasing the population of these beneficial species. Buy 2...

    £ 9.95
    0 1 2 3 4 13 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) 
  • 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 7 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...

    £ 5.95
    0 1 2 3 4 13 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.

    £ 9.95
    0 1 2 3 4 2 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...

    £ 8.95
    0 1 2 3 4 7 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 it...

    £ 6.95
    0 1 2 3 4 0 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) 
  • 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.

    £ 15.95
    0 1 2 3 4 10 Review(s) 
  • Ancanthopora Spicifera

    We just could get hold of same beautiful and very rare to find Ancanthopora Spicifera. This colour of this marine macro algae varies between a brown to red colouration and it features irregular filigrain upright growing branches. It will grow out of a single holdfast and attaches itself We received this algae new and after the quarantine it well be...

    £ 9.95
    0 1 2 3 4 0 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) 
  • 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) 
  • 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...

    £ 14.95
    0 1 2 3 4 3 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) 
  • 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...

    £ 11.95
    0 1 2 3 4 8 Review(s) 
  • Gracillaria 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 4 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) 
  • Galaxaura Sp.

    The Galaxaura marine macro algae is a heavily calcified marine macro algae which features long red branches, with more pink coloured ends attached to a single holdfast. It is a perfect alga for the Marine Tank Display and for Seahorse Aquariums, as it is non-invasive. We ordered these algae recently and it will be after the quarantine period ready to sell. 

    £ 0.00
    0 1 2 3 4 0 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) 

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. Read more about here:

Satisfaction Guarantee

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