Non-Invasive

Non-Invasive

There are 23 products.

Non-Invasive Macro Algae Species

The following macroalgae species are known as non-invasive, which means that they won't attach themselves with the risk of overgrowing the whole tank.

Thus they are the ideal algae plants for the Marine Aquarium Display Tank, either a Reef Aquarium or a Seahorse Tank.

Usually, these algae species are very easy...

Non-Invasive Macro Algae Species

The following macroalgae species are known as non-invasive, which means that they won't attach themselves with the risk of overgrowing the whole tank.

Thus they are the ideal algae plants for the Marine Aquarium Display Tank, either a Reef Aquarium or a Seahorse Tank.

Usually, these algae species are very easy to keep for and the care level is much lower than for example with some Caulerpa macroalgae species. But at the same time, they grow much slower than some invasive caulerpa species for example.

If you wish to keep them in place, you might need to superglue or rubberband it to a piece of rock for example.

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.

Marine macroalgae will provide you still all the other great benefits, which we explain more at the FAQ 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 - 23 of 23 items
  • 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 6 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...

    £ 4.95
    0 1 2 3 4 9 Review(s) 
  • Ulva Lactuca

    The Ulva Lactuca marine macroalgae species is a medium fast growing and very palatable species, therefore it is a great natural food source for the marine tank. With its vibrant green colours, it will be a beautiful highlight in the aquarium too. This algae will grow towards the light in one beautiful piece, with beautiful different green shades and...

    £ 7.95
    0 1 2 3 4 2 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.

    £ 8.95
    0 1 2 3 4 1 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) 
  • Codium

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

    £ 9.95
    0 1 2 3 4 4 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) 
  • Caulerpa Serrulata

    The Caulerpa Serrulata macro algae species has small branched uprights with a series of flat serrated blades. It of often used for nutrient export in the refugium, but will give as well additional holdfast for seahorses.

    £ 4.95
    0 1 2 3 4 1 Review(s) 
  • 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...

    £ 9.95
    0 1 2 3 4 5 Review(s) 
  • Halimeda Incrassata

    Halimeda Incrassata is a very nice and medium fast growing green macro algae which is non-invasive and calcified, which means it needs good calcium levels in the tank to thrive.It has stiff, segmented flat shaped fronds which can grow up to 30 cm. and does very well in the marine aquarium substrate where it will be kept in place by rhizoids.

    £ 9.95
    0 1 2 3 4 6 Review(s) 
  • Neomeris Annulata

    Neomeris Annulata is a very rare macro algae in the marine tank, as it grows very slow. It is not very palatable either, as it is lightly calcified.It grows normally in shallow water in smaller clusters or just solitary and has green, beautiful finger-like uprights. We are looking for this algae to get it back again. Offers are very welcome.

    £ 7.95
    0 1 2 3 4 0 Review(s) 
  • Udotea Flabellum

    Commonly called the Mermaid's Fan plant is a real eye catcher for the planted marine aquarium. It is a green calcareous algae which features at the end of its stems a dark green fan shaped top. It will hold itself with rhizoids in the substrate, which should be deep a few inch deep therefore.

    £ 15.95
    0 1 2 3 4 0 Review(s) 
  • Penicillus Dumetosus

    This ornamental macro algae is commonly called Shaving Brush Plant as it features a long stalk with leaves growing like a brush. A great addition for the marine tank which can compete which corals easily. Once in the aquarium it is easy to keep placed in a deep enough substrate. This species grows taller than other Pecillus species.

    £ 12.95
    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.

    £ 14.95
    0 1 2 3 4 7 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) 
  • 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 7 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 3 Review(s) 
  • Chaetomorpha Chaeto Fine

    The Chaetomorpha or often just called Chaeto macro algae species is a perfect nutrients export marine algae. Often placed in the sump / refugium it is a non-invasive and fast growing algae, which is very easy to care for. This is a different Chaeto species to the ones you'll often find, as it is more fine in the structure ( see comparison pictures ) and...

    £ 7.95
    0 1 2 3 4 3 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 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) 

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?

The best way to stay informed is to subscribe to our Newsletter 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.

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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:

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