Tetra Plant Crypto is a tablet fertiliser, designed for marsh plants such as Amazon Sword and Cryptocorynes. The tablets are pushed into the substrate so that their nutrients can be absorbed across the roots. 

Using a combination of PlantaMin and Crypto ensures that all types of aquarium plants get the nutrition they need.


  • Free of nitrate and phosphates - does not encourage algae.
  • Promotes chlorophyll growth for healthy green leaves.
  • Vital for feature plants such as Amazon swords, which can not take nutrients through their leaves.
  • Dosage 1 tablet per 20l of aquarium water for initial fertilisation, 1 tablet per 40 litres of aquarium water for refertilisation.
Delivery Information

Fast Free Delivery within Mainland UK on orders over £60.00.
We offer free mainland UK delivery on orders over £60.00. Smaller orders under £60.00 are subject to a £4.95 delivery charge. Delivery will typically be made within 2 - 3 working days but may be extended during busy times of the year.

Extra charges will apply to certain locations for example Isle of Wight and Offshore Islands. In some cases we can even deliver outside the mainland e.g. Channel Isles and arrange the VAT element for you. In all instances please contact us today for a personalised quote.

We Can Offer Next Day Delivery for £6.95.
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.

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