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plant seed in wet or dry soil cannabis

Although setting up a simple water-catching system can be inexpensive, there is still some start-up capital required. Water that has been collected either by rain or by reuse will also need to be filtered and stored properly, requiring filter systems and specially graded storage containers built to withstand the elements without risk of contamination or breaking.

If growing in amended organic soil, it is not recommended to flush plants. This is because the soil already holds all the nutrients the plant needs to thrive, and by flooding the soil you can wash away and damage the complex ecosystem that you’ve worked hard to develop.

Water that contains higher quantities of minerals such as calcium or magnesium is called hard water. This type of water has a higher ppm due to the extra dissolved solids in it. Water with less minerals and a lower ppm is called soft water.

Unfiltered tap water

The sooner you find the sweet spot between too wet and too dry, the sooner you’ll see your garden flourish.

Ideally, cannabis plants should start in a small pot and progress to bigger and bigger pots as they outgrow each container. For example, you can start a seedling or clone in a 4″ or 1-gallon pot, then move on to a 2-gallon, 5-gallon, 10-gallon, and so on.

Some cities use incredibly hard water with high levels of contaminants such as chlorine, calcium, and magnesium. While water with a low ppm concentration of these chemicals won’t necessarily kill a plant, it can have a negative impact on the biological activity in organic soil.

Giving weed plants too many nutrients, improper pH levels, and other stresses on plants can result in a nutrient imbalance or lockout. Whether it’s salt buildup from nutrients or incorrect pH levels that prevent absorption, a nutrient lockout results in a buildup of nutrients in soil and the plant can’t access them.

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Seedlings are sensitive to light and will burn under strong HID or LED bulbs. Like adult plants, seedlings will develop burnt, crinkled leaves when suffering from light stress. Alternatively, seedlings that don’t get enough light will grow tall and lanky and topple over.

• Pot size

THE BASICS: OPTIMISING LIGHT, TEMPERATURE, AND HUMIDITY FOR CANNABIS SEEDLINGS

Overwatering seedlings is one of the most common (and most fatal) mistakes rookie growers make. Unfortunately, it’s an easy crime to commit; scared to let their seedlings’ soil dry out, inexperienced growers often end up watering their plants too regularly. This essentially drowns a seedling’s tiny root system, starving the plant of oxygen and causing it to droop.

Cannabis seeds need four things in order to germinate: moisture, warmth, darkness, and time. To ensure you grow healthy seedlings, germinate your seeds using one of the following techniques.

Similarly, under-potting can be just as detrimental to your plants. Plants that are root-bound take up water very quickly, encouraging you to water them more regularly than necessary, leading to overwatering.