Welcome to the Alchimia Growshop Blog

Triploid vs F1 Marijuana Seeds: Which Should You Choose?

F1 hybrids or triploids? Two genetic revolutions are transforming cannabis cultivation. F1s, based on the same hybrid vigor that has been thriving in agriculture for decades, offer unmatched uniformity and speed. Triploids, carrying three sets of chromosomes, promise total sterility, greater potency, and seed-free harvests. We break down how they differ and which one best suits your grow.

Spannabis Bilbao 2026 and Cdays

Spannabis 2026 moves to Bilbao. Discover everything about the 23rd edition of Europe's biggest cannabis fair: dates, tickets, conferences, Champions Cup and the CDays.

Dronabinol: Understanding Synthetic THC and Its Use in Europe

THC in capsules and by prescription? Dronabinol is exactly that: the cannabis molecule isolated and dosed with pharmaceutical precision. Approved for chemotherapy-induced nausea and HIV/AIDS-related anorexia, its availability across Europe is a patchwork: Germany leads the way, Spain is taking its first steps, and France is barely opening the door.

Apical pruning in cannabis: a complete guide to multiplying your harvest

Apical pruning is one of the most effective techniques for improving the structure of your cannabis plants and increasing final yields. It involves cutting the terminal shoot to break apical dominance and stimulate the growth of several lateral branches. In this complete guide, we explain when and how to do it step by step, its advantages, drawbacks, differences between indoor and outdoor growing, and the most common mistakes you should avoid.

Cannabinoids and Temperature: Basic Guide

Heat doesn't just affect how you consume cannabis, but also what effects you experience. In this guide, we explain the basics in a simple way, without unnecessary technical jargon.

Growing cannabis without fertilizers: The KNF method

Korean Natural Farming (KNF) is a cultivation method developed in South Korea that allows nature to do its work with minimal intervention. Instead of fertilizers, it activates the soil's biological processes through indigenous microorganisms and natural ferments.

Uncle Ben's Tek – Growing mycelium easily at home

Uncle Ben's Tek is a simple and economical method for growing mycelium of edible or medicinal mushrooms at home. Using bags of pre-cooked rice as substrate, it allows you to start a mycelium culture from spores without needing specialized equipment. Ideal for beginners, this technique makes learning the basics of mycology easier and offers reliable results with minimal materials, as long as basic hygiene standards are followed.

Thrips Parvispinus (Tobacco Thrips): Complete Guide for Cannabis Cultivation

Thrips Parvispinus is a thrips species that will soon affect cannabis, causing bud abortion and necrosis in the buds. With this comprehensive guide, you'll be able to detect them quickly and be prepared with the right products to combat them.

Freeze-dried magic mushrooms: How to dry hallucinogenic mushrooms at home with a freeze dryer

Freeze-drying Psilocybe cubensis is an advanced preservation technique that keeps the potency, stability and quality of hallucinogenic mushrooms for longer. Discover why it outperforms traditional drying and when it’s really worth it.

Hash Cali Plate: the origin of a hash that has become essential

Discover what Cali plate hash is, its origin, how it is made, and why it is considered a premium hash inspired by Californian standards, standing out for its uniform texture, intense aroma, high resin concentration, and a quality designed for the most demanding palates.

Ann and Alexander "Sasha" Shulgin: the couple who united chemistry and consciousness

Alexander and Ann Shulgin were a unique partnership that brought chemistry and therapy together to explore human consciousness. Together they researched hundreds of compounds, helped drive the therapeutic use of MDMA, and left a key legacy for the modern psychedelic renaissance that science is experiencing today.

What is Psilocybe semilanceata? The iconic “Liberty Cap”

Small but emblematic, Psilocybe semilanceata grows in damp meadows and has left its mark on European folklore, inspiring legends, “enchanted meadows” and stories that blend mystery, nature and perception.

HpLVd: The most feared viroid in cannabis cultivation and how to protect your clones

After months of tending premium clones, flowering collapses: stunted plants, small airy buds, and yield losses up to 50%. This is how HpLVd strikes—the “COVID of cannabis,” a stealthy viroid spread through clones and contaminated tools. It impacts trichomes, potency, and terpenes, often staying hidden until bloom. Knowing its history, symptoms, and transmission is key to keeping crops healthy and preventing disaster.

Controlled water stress in cannabis: a technique to increase resin

Controlled water stress, applied during the last weeks of flowering, significantly improves the quality of cannabis. By slightly reducing the watering frequency, the plant produces more trichomes, terpenes, and cannabinoids, thereby enhancing aroma and resin production. It is essential to avoid extreme drought and to closely observe the plant’s signals. When applied correctly, this technique results in denser, more aromatic flowers that are also more resistant to Botrytis.

Water Curing: the secret to ultra-smooth smoke

Discover water curing, the alternative water-curing method that delivers smoother, cleaner and less irritating smoke, while preserving the effects of cannabis.

Basic Guide to Growing Mushrooms at Home

Growing mushrooms at home is a simple, cost-effective, and increasingly popular practice. With the right materials, a clean space, and proper temperature and humidity conditions, anyone can enjoy their own harvests. This guide covers the basic steps to prepare the mycelium, control the environment, and avoid contamination, ensuring healthy growth and abundant fruiting.