How to Test & Adjust Soil PH for Cannabis (Seeds, Soil & Sun: Season 2 Ep 2)

Learn how to test and adjust soil PH for growing cannabis plants today on Seeds, Soil & Sun: Season 2: Episode 2.

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What is soil PH and why does it matter?

Part of having a healthy growing environment for your cannabis crop is making sure your soil PH levels are optimum. PH, or Potential Hydrogen, refers to the relative acidity or alkalinity of your soil. It is measured on a scale of 1 to 14 with lower numbers starting at full acidity and moving to alkaline as the numbers grow.

The soil PH being too far one way or the other will disrupt the plants ability to intake the vital nutrients it needs to grow, flower and harvest a fully robust crop. For the cannabis plant, the ideal PH is just slightly acidic, in the range between 6 and 7 on the PH scale.

How do I test my soil PH?

In order to test the PH of your soil you do have some options. You can take, or send, your soil to a testing facility. There are hand held electronic meters with probes that are inserted into the soil to give you a reading on the PH. And you can also also purchase kits that allow you to test the PH by adding water and a testing solution to the soil and then comparing the color on a chart to determine the PH.

How do I adjust my soil PH?

Once you have determined the current PH of your soil you can decide whether or not you should adjust it. Because the ideal range is somewhere between 6 and 7 on the scale it is very like that you already fall into that range. But if your soil is 5 (acidic) or below, or 7 (alkaline) or above you would want to fix it for optimal plant productivity and health.

In order to lower the PH (Or raise the acidity) you can add a soil acidifier which increases the sulfur in the soil, which will lower the PH. The amount needed depends on the strength of the acidifier, the amount of your soil and the degree to which it needs corrected. Similarly, to raise the PH, or to make the soil more alkaline, you can add lime into the soil. You can buy special pelleted lime or use powdered lime and again the amount needed depends on the soils amount and needs and you should follow the direction of the product you choose.

Another way to adjust your PH is to change the amount of acidic elements in your soil mix. Peat moss is usually acidic and you can adjust the proportion of it to change the acidity by adding more for more acidity and less for more alkalinity in the soil.

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How to Make Potting Mix For Cannabis Plants (Seeds, Soil & Sun: Season 2 Ep 1)

Learn How to Make Potting Mix For Cannabis Plants today on Seeds, Soil & Sun: Season 2 Episode 1.

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Having a good potting mix to grow your cannabis plants in is crucial for a bountiful harvest of buds. Let’s take a look at the components of Happy Frog potting mix and see how closely we can recreate it by taking our own topsoil and compost and combining it with perlite, peat moss, earthworm castings and other natural organic matter. Our end result will be a well draining, nutrient rich soil for our cannabis crop to thrive in.

What you need:

  • Topsoil (Harvest from your garden area)
  • Organic Compost (Make your own)
  • Perlite
  • Organic Sphagnum Peat Moss
  • Earthworm Castings
  • Mushroom Compost
  • Organic Manure and Humus
  • Bat Guano (If available)
  • Chicken Manure (optional)
  • Bone Meal (optional) – Items in our Amazon Influence Affiliate Store)


  1. Gather topsoil/ compost
  2. Sift soil/ compost
  3. Moisten Peat Moss
  4. Measure proportions
  5. Combine and Mix

Potting Soil Mix Proportions:

3 gallons topsoil

¾ gallon Perlite

3 gallons peat moss

⅔ gallon earthworm castings

⅔ gallon mushroom compost

⅔  gallon manure/ humus (earthgrow)

½ gallon chicken manure

½ gallon blood meal

How To Grow Cannabis Ep 5 Harvest and Cure

Today on Seeds, Soil & Sun: How to Grow Cannabis we harvest, trim, cure (or dry) and manicure our cannabis buds

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When growing outside the Season of the year will determine when it’s time to harvest. In late fall the larger leaves will yellow, die and fall off. The buds will change color depending on the strain. They may turn purplish, darken or even lighten in color. The trichome heads will turn from clear mostly clear to mostly amber.

Some like to harvest the buds as they mature individually which is an excellent method. However we are harvesting at the end of the season with frost coming soon so the entire plants will be harvested. I like to attach a twist tie or a clip to hang the plant before I cut it off but it’s up to you. Using sharp clean pruners, cut the plant off at the base, be gentle with it as you take it to the processing or curing location.

You can trim some of the larger fan leaves before you begin the initial curing process which will result in quicker curing but some say the flavor and intensity of the smoke may suffer a bit. So you can make that decision based on your needs or preferences at the time before you hang the plants for curing.

Curing is removing the moisture, but unlike drying, it’s done as slowly as possible without mold forming. A cool, dry closet works great.

Hang the plants from the base of the stems in a secure location where the smell will not be an issue. Also keep it free from moisture, insects and drafts as well as intense heat and or cold.

  • Ideal temp: 65° F – 75° F
  • Ideal Humidity: 45% – 55%
  • Ideal time: Until small branches snap not bend

It will likely take about 1 to 2 weeks depending on size, density and other factors. When small stems snap but the large stem still bends a little you can finish off the curing for smoking cannabis. For cooking, extracting cannabis you do not need to continue with the slow cure.

If you are slow curing for a smooth smoke you can use glass jars, like mason jars, to store the cannabis looseley in the jar filled only about ⅔ full. Keep in the same controlled climate condition as before for a few weeks. Open the jars to burp the air and let breathe for a few minutes every few days until fully cured to your preference for smoking.

Once cured initially you can manicure the buds if you desire. If making edibles or concentrates you may decide to skip this step, or at least keep the trimming from the manicure for edibles or other uses. After manicuring is a good time to do the final curing as removing the leaves fully will help the aroma and flavor of the cured cannabis.

I hope this first season of Seeds, Soil and Sun was useful and informative. Please see the entire season at the link below and stay tuned to season 2 coming in Spring 2019.

Seeds, Soil and Sun: How to Grow Cannabis Series Playlist:

Music Attribution:
Talky Beat” Twin Musicon

How to Grow Cannabis Ep 4 Autoflower Versus Photo-period Strains

Today on Seeds, Soil & Sun: How to Grow Cannabis we learn about Autoflower and Photo-period cannabis strains and no-veg grow techniques. We also re-pot, or transplant, a pair of Autoflower cannabis plants into a larger pot, mulch and manicure it to look and grow better. 

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Propagation kit (light, heat pad, dome):
Jiffy Pots 3”:
Organic potting soil:

What are Autoflower and Photo-period varieties of cannabis?

Autoflower Strains: Autoflower varieties are based on Ruderalis type that have very short vegetative growth cycle due to its location in Northern territories with short grow seasons. They have been genetically engineered in modern days to provide a very short grow cycle, but also short plants with fewer bud point nodes.

Photo-period Strains: The standard Indica and Sativa strains are more Photoperiod based when it comes to grow cycles. These strains will not Flower until a specific amount of time of daylight to darkness is reached.

What are no-veg growing techniques?
You can get similar results to the Autoflower plant by shortening or even omitting the vegetative cycle of clones.
Other techniques such as topping young plants and LST (Low Stress Training) can alter its shape or a plants height.

How to re-pot/ transplant cannabis plants

What you need:

Cannabis Plants (Autoflower variety or no-veg)
5 gallon pot (per 2 – 3 autoflower plants)
Soil (fed with organic materials/ nutrients)


  1. Pre-Fill pot with moistened soil just until deep enough to cover original soil depth of plants.
  2. Carefully remove plant from old container holding by the base of the plant where it meets the soil. Gently place plant in new pot positioning it to stand upright and leaving room for other plant(s) if planting multiples.
  3. After all plants are placed gently backfill around and between then firm the soil in evenly around the plants. Fill the solid to within an inch or two of the top of the pot.
  4. Mulch around the plants to keep the soil cool and preserve moisture if desired.
  5. Trim any dead fan leaves.
  6. Water and replace in a nice sunny, but not too hot, place.

Soil Seeds and Sun: How To Grow Cannabis Full Playlist

Episode 1: | Watch on YouTube

Episode 2: on YouTube

Episode 3: on YouTube

Episode 4: | Watch on YouTube

Music Attribution:
“Rocket Power” Kevin MacLeod (
Licensed under Creative Commons: By Attribution 3.0 License

“In Your Arms” Kevin MacLeod (
Licensed under Creative Commons: By Attribution 3.0 License

How To Grow Cannabis Ep 3 Determining Male or Female Plants

Today on Seeds, Soil & Sun: How to Grow Cannabis we learn how to determine if a plant is male or female

Affiliate links:
Propagation kit (light, heat pad, dome):
Jiffy Pots 3”:
Organic potting soil:

How to Determine Male or Female Cannabis Plants

  • Cannabis Plants (teenagers)
  • Magnifying glass, zoom lens
  • Scissors
  • Garbage bag

Soil Seeds and Sun: How To Grow Cannabis Full Playlist

Episode 1: | Watch on YouTube

Episode 2: on YouTube

Episode 3: on YouTube

Episode 4: | Watch on YouTube


  1. Grow plants to teenager size and in flowering stage of season. (Late Summer/ Early Fall)
  2. Scope around the nodes of the branches to see if you find the pistils and stigmas of a female plant or the pollen flowers of a male plant.
  3. Remove the male plants by hooding with a trash bag or cover then snipping at the ground being careful not to release pollen around the female plants.

Music Attribution:
“Groove Grove” Kevin MacLeod (
Licensed under Creative Commons: By Attribution 3.0 License