Humic and Fulvic acid

Terralba's Humic and Fulvic Acid extracted from Léonardite is an organic product that's perfect for cannabis plants. Leonardite is a mineral from which high-quality humic and fulvic acids are extracted. Leonardite fulvic and humic acids have a grea [...]

  • 100ml8.90€
  • 250ml12.90€


Spirulina from Terralba is a highly nutritious organic and ecological amendment containing a large amount of nutrients including nitrogen, phosphorus, potassium, minerals, amino acids, vitamins, chlorophyll and protein. Spirulina is marine algae tha [...]

  • 50 gr8.90€
  • 100g15.90€

Terralba Hydrolyzed Kelp

Discover Terralba Kelp Hydrolysate in our catalogue of organic nutrients, for healthier plants and explosive flowering. Kelp hydrolysate offers a high concentration of vitamins, iron, iodine, trace elements, auxin growth hormones and cytokinins, bet [...]

  • 250g19.90€
  • 500g34.90€

Endomicorrizas Glomus Intraradices

Mycorrhizae are important to develop healthy and favourable substrates where produce successful cultivations, being of great help to grow healthy plants and thus obtain abundant yields. Terralba proposes you to use Endomycorhize Glomus Intraradices, [...]

  • 1g8.00€

Terralba Hydrolyzed Kelp

For all growers interested in organic farming, Alchimia invites you to discover Terralba Kelp Hydrolysate, now available online in our nutrient catalogue. Ideal for promoting vigorous root development, Kelp Hydrolyzate also offers better nutrient up [...]

  • 50gr9.90€
  • 100g14.90€

Biochar + compost 1Kg

Terralba presents a way to activate your soil sustainably by using biochar + compost (micro-organism), an organic product that can be used as a mixture during substrate preparation by spreading it or combined with the compost tea kit 11L, now availab [...]

  • 9.90€

Pack Bloom Actively Aerated Compost Tea (AACT) Terralba

Terralba offers you this pack of organic products designed to prepare actively aerated compost tea (AACT) using it together with the tea compost kit 11L. You can create your own organic fertilisers to enhance the bloom period, with this pack you can [...]

  • 49.00€

Activated Areated Compost Tea (AACT) Kit 11L by Terralba

Alchimia and Terralba invite you to discover compost tea. Produce your own organic fertilisers and activate your cultivation soil so you can perfectly control your plants nutrition, both outdoors and indoors. Discover this kit, ready to use in just 5 [...]

  • 99.00€


This kit of solid organic nutrients by Terralba has been designed to be mixed with 50L soil, enough for a few cannabis plants or to improve the soil of your orchard. It includes several organic soil improvers chosen to give our plants all the necess [...]

  • 49.90€


Terralba's 100L Pack contains solid organic nutrients and is created to be mixed with 100L soil, enough for some marijuana plants or to improve the substrate of your orchard. This pack includes different organic soil improvers so your plants have al [...]

  • 79.90€

Mealworm Guano

Alchimiaweb adds this exceptional product manufactured by Terralba to its catalogue: Ténébrion Meunier castings, also know as mealworm. This natural product is rich in nutrients and organic matter (76%). It contains 22% nitrogen, 35% phosphorous, [...]

  • 250g10.90€
  • 500g16.90€

Bacillus IT35

Terralba presents the bacterium Bacillus amyloliquefaciens, an important ally in our outdoor ground cultivation, coconut substrates or hydroponic growing systems. Now available at alchimiaweb.com This beneficial bacterium proposed by Terralba feeds [...]

  • 5g14.00€

Pack Grow AACT Terralba

Alchimia presents Terralba complete growth kit, a way to enrich your Actively Aerated Compost Tea (AACT) to be used with your compost tea kit 11L. You can design your own range of growth organic fertilisers in a quick and easy way. Discover now the [...]

  • 49.00€

AACT Terralba 400µ filter

Alchimia presents an essential accessory for producing Actively Aerated Compost Tea, the AACT Terralba 400µ filter. Unlike manure, oxygenated compost tea allows bacteria and nutrients to be extracted from the plant material without rotting, av [...]

  • 10X38 cm14.90€

Hydrolyzed Fish Meal

Fish has been used as nutrient for plants for a long time. Native Americans had already observed that they could double the yield of a corn plant by burying a fish near its roots. Fish meal (powder) is now available in Alchimia's catalogue. This top [...]

  • 100g6.90€
  • 250g10.90€
  • 500gr19.50€

Blackstrap molasses

Terralba's Blackstrap Molasses is now available in Alchimiaweb. These molasses come from the refining process of sugar in the form of a thick black fluid. By adding it regularly to your nutrient solution, your plants will get all the necessary sugar [...]

  • 100 ml5.90€
  • 250 ml8.90€
  • 500ml11.00€

Today we recommend you...

Seed selector


Do you want to get email notifications about our latest offers and news?

¡New! Magic mushroom growing kits