How Often To Water Marijuana Seeds

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Buy Quality Marijuana seeds at Amsterdam Seed Supply – How often should you water Marijuana Seeds? – ✓ High Quality Strains✓ Award winning genetics You probably never thought about it but watering weed is a science on its own. Here are all the ins and outs of how to water like a pro. Wondering how often to water cannabis or the best time to water weed plants? Check out our How to Water Cannabis Guide to get all the answers.

How Often Should You Water Marijuana Seeds?

After the hassle of choosing a seed and getting it to sprout then grow, another of the big questions is how often should you water marijuana seeds until they germinate. You should not water marijuana seeds once you place them to germinate in a warm moist place. If you give your marijuana seeds water very often you will drown the seedling and it won’t be able to crack out of its seed.

Now that the Marijuana seed has germinated, how often should you water Marijuana seeds?

Once it germinates though, how often you should water marijuana seedlings varies according to the temperature of where the marijuana seeds are growing, but as a rule of thumb, you should water the marijuana plant once the soil is dry. An easy way to tell is if you try and lift the edge of the pot with one finger; if it feels “light” then it’s time to water, if not then leave it a few more days to evaporate and check back often to water. Usually, when you follow this technique, it helps with the formation of trichomes on your marijuana plants during the flowering phase which is equal to dank-er flowers.

You might also find our FAQ submission How Do I Feed A Plant? useful!

Watering Weed
A Guide To Water your Marijuana Plants

But, when it comes to marijuana plants, the whole watering process requires a little more finesse.

Not to worry though! In this article, we will cover all the ins and outs of watering weed so you can run a smooth-flowing operation.

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  • The importance of H2O
  • Types of water for watering weed plants
  • What is the right temperature to water your plants?
  • How often should you water your plants?
  • How much water do marijuana plants need?
  • The best method for watering weed
  • Why the right ph value is key
  • Watering weed in a nutshell

The importance of H2O

Cannabis plants, like most living things, consist largely out of water. Needless to say that maintaining that water balance is of vital importance.

Watering cannabis is a science in its own right. You will be dealing with meticulous PH values, various types of water as well as fluctuating needs during different life stages.

Overwatering could lead to nutrient deficiencies and diseases while providing too little water is often the reason for stunted growth.

It’s a delicate equilibrating that you need to maintain at all times in order to get that thriving crop every grower desires. Don’t let this discourage you though, we are here to walk you through how to water cannabis every step of the way.

Types of water for watering weed plants

We often don’t think about it, but water comes in different types and qualities. While some are perfect for watering pot plants, others might be ill-advised due to the water containing harmful substances or unwelcome minerals and bacteria.

pH and EC values are important factors when it comes to watering plants. Not only do these factors have a strong influence on your root development and the number of nutrients they can absorb, but they also play a vital part in the general health of your plants.

What you need to keep in mind is that these pivotal factors may strongly fluctuate, depending on the source you are getting your water comes from.

Let’s have a look at a few varieties and what makes them suitable (or not).

  • Tap water
  • Bottled water
  • Distilled water
  • Reverse osmosis water
  • Rainwater
  • Spring, reservoir, or well water
  • River water

Tap Water

By far the most frequently used source of water for watering weed. It’s cheap and widely accessible. But, there are a few things to take into consideration before you reach for your garden hose. Water has different degrees of hardness. We determine the hardness of water by the amount of calcium and magnesium in the water. These elements occur naturally in rocks such as lime and chalk and our groundwater. The more of these minerals in the water, the harder the water will be.

As such, tap water can be either soft (EC – 0.4), medium (EC + 0.4) or hard ( EC + 0.8). Also, tap water generally has a pH value of over 7.0 and often contains lime, chlorine, and fluoride in some cases, which can kill soil life and decrease its quality.

To make sure your tap water is in optimum condition for your plants, there are a few precautions you can take: let the water sit for about 24h so some minerals and other components can sink to the bottom of your watering can. You could also use an osmosis filter in order to filter your water.

Bottled Mineral Water

Bottled water is perfect for people to drink. But, aside from becoming a costly affair, it might not be the best option for watering your cannabis plants. While mineral water does not contain any harmful substances, and its EC levels are lower than 0.5, with a pH around 7, it still contains high amounts of some minerals such as calcium, which may end up affecting your soil life and how your plant grows.

See also  How Often Do You Water Your Weed Seeds

Distilled Water

Most supermarkets and convenience stores sell distilled water, but you can also quite easily create it at home, which makes it, even more, cost-efficient.

Distilled water doesn’t contain any minerals or any other type of microorganisms. This water is perfect for plants since you basically start with a blank slate. In order to use it on plants, the only thing you have to keep into consideration is that it usually has a pH value of over 7.0 and an EC (water hardness) of 0.0. We advise simply adjusting the pH value and adding some calcium and magnesium until it reaches 0.4 EC.

Reverse Osmosis Water

Reverse osmosis water is quite similar to distilled water, just not as pure, since it doesn’t remove all the minerals such as chlorine, lime, etc.) and impurities from the water.

Reverse Osmosis water arises by using a filter that traps the minerals and other unwanted particles.

You can make this type of water by simply using a decent osmosis filter and setting it up. Depending on the filter, osmosis filters tend to produce less than 0.4 EC and a pH value of about 7.0. This makes the water potable and safe to used to water your plants without needing to modify it further.

Rainwater

Rainwater sounds like the most logical option, as the water comes naturally from nature. Growers who use rainwater usually do this by using tanks that fill them with rainwater and then store it for later use.

Rainwater is one of the cleanest types of fresh water on the planet. It usually has a pH of 7.0 and an EC that does not exceed 0.4. This makes it suitable for watering almost any type of plant, as nature tends to automatically remove all harmful elements before the rain falls.

To get the highest quality rainwater, you need to set up a water collection system. Keep this as clean as possible to avoid the inclusion of elements that could reduce the quality of the water or contaminate it.

We advise you to also use an impurity filter and recommend using rainwater outside the cities. This because the rain that falls in the city contains traces of pollution because the air here often contains traces of smog or pollution.

Spring, well or reservoir water, etc.

I would honestly not recommend using water obtained from wells, springs, reservoirs, and other similar sources since you cannot be sure of its composition. A visit to the city waterboards might supply you with more information about its mineral and chemical content. This is highly important since there is a possibility that the water could be polluted with chemical insecticides or mineral fertilizer, which renders it useless for your plants. Also, these types of waters tend to contain large amounts of harmful fungi and bacteria.

In order to use this type of water, we recommend doing some serious research beforehand. If you should decide to go forward, make sure to treat the water accordingly and meticulously prepare your storage area to avoid fungi and bacteria from spreading. If you prefer to use water from your own well, you can drain it first and treat the surface using ultraviolet light or shock chlorination before use.

River Water

River water may sound like a great idea for watering weed, but I personally would advise against it. Aside from having to deal with a lot of similar issues of the previously mentioned well water, rivers are generally miles long and often polluted with pesticides or harmful substances by industrial areas or factories along the stream. Aside from that rivers can also contain dead animals that contaminate water during decomposition.

In order to use river water, you should probably live near somewhere where your town waterboard can assure you that the rivers don’t contain any sort of contamination which is, in all honesty, a long shot.

What is the right temperature to water your plants?

Aside from the pH and EC levels, the third most important factor is your water temperature. If there are wide fluctuations in temperature, this may lead to problems along the way. Water that’s too hot or cold will not be able to absorb certain nutrients.

When growing in soil the perfect temperature is between 20 and 23 °C, keeping in mind that the soil acts as a sort of wall between the inside and outside, which allows for slight variations in the temperature in your grow room and water.

By using a simple thermometer you ensure your plants get watered at the correct temperature.

There are a plethora of different water thermometers available, most of them pretty affordable. Some EC and pH meters can also measure water temperature accurately. Depending on the temperature, water can actually suffer certain changes in its composition, including oxygen levels.

How often should you water your plants?

How much water your plants need and when it is time to water, depends on various factors. One of them is the life phase of the plant. For instance, seedlings and clones have a much lower water requirement than vegetating and flowering plants.

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Let’s look at the individual stages

    Germination: One of the basic things in seed cultivation is that you need to make sure to keep seeds damp but not wet. This generally means you need to water them once per day. Using a starter tray is a great option since the plastic cover works well to contain heat and moisture. Another solution to ensure the soil remains moist is to cover your container with plastic wrap.

How much water do marijuana plants need?

How much water your plants need depends on a number of factors, including:

  • Outside temperature
  • Stage of growth
  • Size of the plant

Larger plants will require more water than smaller plants. If you’re growing the plants outdoors, provide them with more water when the temperatures are up, and make sure to reduce the amount of water when the humidity level is high.

Water should pool up on the surface of the soil while you’re watering, but it shouldn’t sit on the surface after you move on to the next plant.

If a plant is very dry, water will run straight through the pot and quickly come out of the drainage holes. When this occurs, water the plant a little, move on to the next plant, and repeat after 10 minutes as necessary. This allows the soil to gradually absorb water incrementally until all of the soil is thoroughly wet.

As the plants’ lifecycle progresses, so will their need for water. You might want to provide some individual plants with additional water in between their main waterings as they grow.

Take notes and make calculations. Setting a cycle where the plant needs to be watered every two to three days is ideal. As you continue your growth you will eventually come up with the perfect watering schedule for your plants’ needs.

How to tell if you are underwatering cannabis

Wilting is the first sign your marijuana plants are in desperate need of some additional H20. The cannabis leaves drooping will seem limp and lifeless and, in worse cases dry or even crunchie. It is of the essence to take action now because this condition will inevitably kill your plants if not corrected at once.

How to tell if you are overwatering cannabis

Overwatered your cannabis plants can be just as harmful as underwatering them. Overwatered cannabis plants are droopy with leaves that curl down. As a result of overwatering, leaves often turn yellow or show other signs of nutrient deficiencies (Particularly younger plants and seedlings are very sensitive to this).

When your plants are showing signs of overwatering, this does not necessarily mean you need to give them less water but rather to adjust the frequency of watering and make sure your growing medium has proper drainage.

The best method for watering weed

Instead of watering your plants in small quantities multiple times, try giving them a less frequent but efficient soak.

A proper soak implies watering them to 25–33% of the pot’s capacity. This amount provides the root system with sufficient water to quench its thirst, without excess puddling and potential fungal issues.

When watering, you want to start in the middle first. After allowing the roots to breathe, continue watering the edges of the container too. This way the root ball also transports nutrients residing in the top of the medium down to the root system below.

This results in the correct amount of water minus the hassle of possible puddles. This is especially beneficial to avoid fungal pathogens that lead to root rot, which are often caused by excess water.

Besides creating holes at the bottom of your containers allowing the water to escape from, the containers should be lifted slightly off the ground, allowing the water to drain and plants won’t be left in puddles of moldy water.

Why the right pH value is key

When growing in soil, the pH range of your water should ideally have a pH value of between 5.8 and 6.5

To test your water pH, you can a measuring stick or some pH measuring drops. If the pH is too high or too low, you need to adjust this. Using a few drops of pH up or pH down to reach the right level. This is especially important if you’re using tap water which generally has a higher pH.

If you do not have this ready-made formula at hand, don’t worry! There are other ways to get the desired ph level.

Lemon juice has high acidity and a pH between 2.0 and 3.0, so when you add a few drops to your water, this will certainly lower the pH. Appy, as needed until achieving the result you want.

Baking soda does exactly the opposite. This multifunctional substance, also known as sodium bicarbonate, is naturally alkaline and has a pH of 8. When adding baking soda to your water, you will raise both the pH value as well as the alkalinity.

A word of advice: If you’re adding cannabis nutrients to your water, measure your pH after each feed. This will provide you accurate information for future growths (make sure to add this data to your growth diary). And on top of that, it will tell you if you need to increase nutrition or modify the next dosage.

Watering weed in a nutshell

Well, sorry for this lengthy narrative, there is just so much to tell!

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After going through the various different types of water you can use when growing cannabis, including some you may not have thought of, the best water for growing plants is clearly reverse osmosis or distilled water. These two types of water can guarantee that your plants aren’t getting any toxic minerals or anything they shouldn’t get unless you’re adding it to the water.

Make sure your soil never completely dries out and always, always check your PH values before watering weed. Hopefully, you will never feel like a fish out of water again when it’s time to water your marijuana plants 😉

When is the best time to water weed plants?

Cannabis plants use a lot of water, and regardless of what sort of setup you’re using, you’re going to want to make sure you know the best time to water your weed plants.

Water acts as a vehicle for dissolved nutrients and minerals, being absorbed through the roots before spreading through the rest of the plant.

It also cools a plant down, fills up cells to keep the plant structurally sound, and is required for photosynthesis.

How to water weed plants

All plants, including marijuana, consist of about 80% water.

Therefore it makes sense that issues with water management could cause damage to a marijuana plant Outdoors.

A marijuana plant usually has enough water in the soil and from nature.

Depending on the quality and the structure of the soil, it can also help regulate the amount of moisture.

When growing indoors using pots, however, it is very easy to give your cannabis plants too much or too little water.

How to tell if a cannabis plant needs watering

There are no hard and fast rules when it comes to watering cannabis plants since the amount of water that you’ll need is based on the environment it’s growing in.

In general, water enough so that your soil is faintly moist, but not wet.

If the environment is very hot, the plant will use more water, but you should never give a marijuana plant more water than it can absorb.

If it seems like you are giving your plants a lot of water, don’t worry.

Cannabis plants can consume a lot of water.

A large portion of the water is also excreted from the plant through evaporation from the leaves.

Only a small amount of water remains behind and is used as building blocks.

Water also helps to absorb and transport nutrient salts and carbohydrates, enabling life.

Understanding how to water correctly can make a substantial difference in the quality of your harvest.

This guide will explain how to identify, schedule and deliver this vital ingredient for a growing cannabis plant.

Water sources

The quality of the water you give your cannabis plants makes a difference.

Ideally, you could use filtered, or reverse osmosis water.

You may have some trouble finding reverse osmosis systems in a lot of hydroponics and gardening supply shops, depending on where you live.

Most growers simply use unfiltered tap water. Some places are blessed with pure tap water from municipal systems or wells.

However, most places in Europe and North America, are likely to have some impurities in their tap water, especially in large cities.

Regardless of the source of your tap water, most unfiltered tap water will contain extra minerals.

The type of minerals depends on your location, but Calcium, Sodium, and Magnesium are common.

The harder your water is, the more minerals it will contain.

There is a vast variety of potential minerals that your water could contain.

Some water companies know which minerals are in the water and can tell you if you ask, but sometimes they don’t.

While the severity of these impurities can vary, many growers crave precision in their operations, and tap water can sometimes have too many unknown variables.

If you are not using filtered reverse osmosis water, you’ll want to test your water to make sure it is suitable to feed to your cannabis plants.

In terms of its ability to carry nutrients (EC), tap water can have an EC that ranges from 0.2 to 0.8, or even higher. It can also have various pH levels, but water for feeding should be between 6.0 and 6.5.

The real issue here is that even when you take an accurate measurement, there is no way for you to know what sort of elements are in your water or the ratio at which they occur.

This means that all the extra money you’ve spent on expensive, carefully measured nutrients is for naught: the mix is instantly unbalanced by an unknown quantity of other nutrients.

In a worst-case scenario, this can cause nutrient burns or lock-outs and inhibit the growth of your plants.

You can also use rainwater, although it is not always better than some tap water.

If you collect rainwater to water your plants, store it in food-grade plastic containers to prevent any airborne contaminants from entering the supply.

Water temperature is also important. Your water should be at room temperature of around 20 degrees Celsius, 68 degrees Fahrenheit.

If it is too hot or cold, the roots could experience thermic shock.

Download our free Grow Bible for more information about watering cannabis plants.

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