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Germinating cannabis seeds indoors is a common practice among growers. Here are step-by-step instructions on how to germinate cannabis seeds indoors:

Gather the Necessary Materials

Cannabis seeds: Obtain high-quality seeds from a reputable source.

Water: Preferably distilled or filtered water. (Well water or city water that has been de-chlorinated will work fine.)·   

     Growing medium: Choose from either peat soil pellets, (for soil medium), or 1.5 inch rockwool cubes for hydroponics.

Light source: Fluorescent lights or specialized grow lights.

 Humidity dome or plastic wrap: to help maintain humidity.


Once the seeds have sprouted and developed a small set of leaves (cotyledons), it's time to transplant them into larger containers with nutrient-rich soil or a hydroponic system.

Carefully remove the seedlings from their original containers, taking care not to damage the delicate roots.

Dig a hole in the new container or hydroponic system and place the seedling inside.

Gently cover the roots with soil or the growing medium, ensuring the seedling stands upright.

Water the transplanted seedlings, maintaining appropriate moisture levels without over-watering.

Prepare the Growing Environment

Choose a suitable location: Find a warm, dark, and discreet spot, such as a closet or a grow tent.

Set up the light source: Position the lights at an appropriate distance above the germination area.

Adjust temperature and humidity: Aim for temperatures around 75-80°F (24-27°C) and humidity around 70%.

Begin the Germination Process

Prepare the containers: Fill the container with the chosen growing medium.

Plant the seeds: Make a small hole in the growing medium, approximately 0.5-1 inch (1-2 cm) deep. Gently place the seed into the hole, and gently cover it.

Maintain moisture: Water the growing medium gently using a spray bottle or by pouring water around the seed. Avoid overwatering, as this can lead to damping off.

Create a humid environment. Cover the containers with a humidity dome or plastic wrap to increase humidity levels around the seeds. This helps prevent moisture loss.

Provide light: Once the seed has sprouted, turn on the light(s) and ensure the germination area receives around 18-24 hours of light per day. Maintain the light distance according to the manufacturer's recommendations.

Monitor and wait: Check the containers daily to ensure the growing medium remains moist but not waterlogged. Germination can take anywhere from a few days to a week or more.

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