Best sellers

Showing 1 - 24 of 47 items
  • Chaetomorpha Chaeto Linum

    Chaetomorpha or just Chaeto is a perfect nutrients export marine macro algae species. Often placed in the the sump it is non-invasive and fast-growing algae, which is very easy to care for. This Chaeto species is not palatable, but the main purpose it does very well, reducing the Nitrate and Phosphate levels in the aquarium water. We have a palatable...

    £ 8.95
    0 1 2 3 4 26 Review(s) 
  • Ochtodes Sp.

    The marine macroalgae 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. It has a dense structure which offers great hiding space for beneficial hitchhikers like copepods, rotifers and thus will be a nice hunting place...

    £ 7.95
    0 1 2 3 4 29 Review(s) 
  • 4 Macroalgae 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 21 Review(s) 
  • Refugium Nitrate & Phosphate Remover Algae-Pack

    This macroalgae pack is a great choice if you are looking for fast growing marine algae to lower the Nitrate & Phosphate levels in the marine aquarium.  They are smaller algae frags than the single sold algae species but a great choice if you don't want to spend a lot of money. You will get 4 different macroalgae as starter algae frags.  Perfect for the...

    £ 12.95
    0 1 2 3 4 28 Review(s) 
  • Botryocladia - Red Grape

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

    £ 6.95
    0 1 2 3 4 22 Review(s) 
  • Caulerpa Taxifolia

    The Caulerpa Taxifolia macroalgae has long fronds with segmented appendages which can reach up to 20-30cm in length. This marine algae is tolerant to a wide range of water temperatures but will need more light than for example Caulerpa Prolifera. This is a very nice looking macro algae which gives the marine tank a beautiful natural look.

    £ 6.95
    0 1 2 3 4 14 Review(s) 
  • Codium

    The Codium macroalgae is a true all-rounder for the marine aquarium. Not fuzzy regards the light or current and very beautiful looking. Codium has a great dark main structure, which develops irregularly into cylindrical branches. Along its branches it develops soft fuzzy filaments which a lot of fishes love to eat. A perfect macroalgae for Seahorses too,...

    £ 6.95
    0 1 2 3 4 16 Review(s) 
  • Caulerpa Prolifera

    Caulerpa Prolifera is a beautiful macroalgae species, offering long blades which can grow up to 20-30 cm long.The fronds are attached to a thick rhizome which will attach itself to rock which means it will need to be restricted in the tank. Caulerpa Prolifera will add a great natural look to the marine tank. This algae can adapt better to various water...

    £ 6.95
    0 1 2 3 4 11 Review(s) 
  • Chaetomorpha Chaeto Fine

    This Chaeto algae is a very fine species which grows much more fine than other Chaeto algae, almost as fine as a hair.  This makes it a brilliant algae choice for feeding herbivore fishes like Tang & Foxface to keep them happy and healthy. It is best placed in the sump/refugium with a sufficient more reddish light. We do not recommend using it in Algae...

    £ 8.95
    0 1 2 3 4 19 Review(s) 
  • Cryptonemia Crenulata

    Cryptonemia Crenulata is a very rare to find macroalgae, which is a shame as it is with its thick branches and its deep red colour a real eye catcher in the display tank. This macroalgae is non-invasive and grows quite slow, which makes it a great addition for Nano-Tanks, Seahorse Tanks and planted reef tanks.

    £ 7.95
    0 1 2 3 4 12 Review(s) 
  • Gracilaria Curtissae

    The Gracilaria Curtissae macroalgae 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 macroalgae for the Display Tank, where it will surely become fast a highlight and it might compete when it comes to the beauty of it...

    £ 7.95
    0 1 2 3 4 17 Review(s) 
  • Ulva Lactuca

    Ulva Lactuca or often called Sea Lettuce is a very palatable macroalgae which makes it a great natural food source for herbivore fishes like Tang & Foxface. And with its thin leaves in different green shades it will look just amazing in any reef tank whilst offering a natural grow place for copepods and rotifers.

    £ 6.95
    0 1 2 3 4 7 Review(s) 
  • Caulerpa Racemosa Cylindracea

    Caulerpa Racemosa Cylindracea is a very fast growing and beautiful looking marine macroalgae, which will give your tank a more natural look and adds a natural holdfast for Seahorses. This caulerpa macro algae is a great choice for the nutrients export, e.g. to reduce the Nitrate and Phosphate level in the tank, as it is quite a fast growing macroalgae...

    £ 6.95
    0 1 2 3 4 9 Review(s) 
  • Gracilaria Vermiculophylla

    The Gracilaria Vermiculophylla is a truly beautiful macroalgae species. It is a striking red algae species and will be a perfect addition to any reef display tank and Seahorse aquarium as it is a non-invasive algae which offers additional natural holdfasts too. It features long red branches which will become more dense in stronger light.

    £ 9.95
    0 1 2 3 4 8 Review(s) 
  • Duo Caulerpa Starter Set

    With this algae set you will receive 2 fast growing and great looking marine macroalgae species together.  This marine macro algae pack is a great choice for you when you just started to enrich your marine tank with macroalgae and you don't want to spend a lot of money.  

    £ 7.95
    0 1 2 3 4 10 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) 
  • Acanthophora Spicifera

    The Acanthophora Spicifera marine macroalgae has irregular stiff uprights, which are quite fragile and it will grow like little shrubs, creating an area which will provide a hiding space for small critters and fishes and a natural holdfast for seahorses. It belongs to the red algae species although its colour ranges more between brown/reddish/grey...

    £ 7.95
    0 1 2 3 4 11 Review(s) 
  • Red Turf Macroalgae

    We couldn't identify the beautiful looking macroalgae species yet, but this algae species adds a vibrant red colour to the reef tank and provides as well a great food source for herbivore fishes, like Tang and Foxface species, which like to snack on this macroalgae. This beautiful red macroalgae species will attach itself and has a more delicate structure. 

    £ 8.95
    0 1 2 3 4 11 Review(s) 
  • Caulerpa Serrulata

    The Caulerpa Serrulata marine macroalgae species has small branched uprights with a series of flat serrated blades. It is a great alternative to some other Caulerpa species which can go sexual as it is a very hardie caulerpa marine algae . A great choice for the nutrients export.

    £ 5.95
    0 1 2 3 4 6 Review(s) 
  • Caulerpa Racemosa Grape Caulerpa

    The Caulerpa Racemosa Grape Caulerpa marine macroalgae is a very popular and beautiful looking macro algae species, which often get seen as the origin of Caulerpa racemosa species. It is fast growing and forms ball shaped appendages, therefore it is commonly called Grape Caulerpa. In the planted reef tank we recommend to keep it away from the main...

    £ 6.95
    0 1 2 3 4 5 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) 
  • Halimeda Incrassata

    Halimeda Incrassata is a beautiful medium fast growing green macroalgae which is non-invasive and calcified, which means it needs good calcium levels in the tank to thrive. This beautiful marine algae has stiff, segmented flat shaped fronds which can grow up to 30 cm. and this algae does best when placed in the marine aquarium substrate where it will be...

    £ 9.95
    0 1 2 3 4 7 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 A similar macroalgae to this is the beautiful Halymenia Maculata

    £ 9.95
    0 1 2 3 4 10 Review(s) 
  • Caulerpa Brachypus

    The Caulerpa Brachypus macroalgae is a much smaller growing macroalgae than its big brother the Caulerpa Prolifera marine macroalgae, with blades just 1-5cm long. The fronds are attached to a slim rhizome which will attach itself easily to rock. This is a very specialised macroalgae and more recommended for dedicated planted Reef Tanks or Macroalgae...

    £ 6.95
    0 1 2 3 4 5 Review(s) 

Frequently Asked Questions

What macroalgae do you recommend for the Display Tank?

There are a lot of beautiful macroalgae species which are just perfect to be placed in the Refugium Display Tank & even for a Seahorse Tank.

We can especially recommend non-invasive macroalgae species which will add a beautiful colour and structure to the marine aquarium to enjoy.

Macroalgae for the Display Tank

How to achieve better macroalgae growth?

Macroalgae don't need a lot to grow, just good lighting and enough nutrients.

Should you already have good lighting for your macroalgae but the growth is not as it should be, maybe there are some nutrients missing in your aquarium water which it need to grow?

Find more here about what water conditions are optimal for macroalgae and dosing nutrients to your reef tank/refugium.


Clean Macroalgae - Sustainable grown in the UK

Livealgae UK offers you premium macroalgae species from fish & copper free tanks. 

All macroalgae we sell are sustainable grown in the UK and will be dipped and manually inspected before getting posted out to you, to ensure a premium clean macroalgae quality as much as possible.

Satisfaction Guarantee

We want you to be fully happy with your new additions and offer you a hassle free 100% Satisfaction & Alive Arrival Guarantee. 

If you are not fully happy with your purchase on arrival we will refund your money back (UK Orders only).

Read more about here:

GuaranteED Satisfaction