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How to Save Money When Growing Weed
Growing cannabis at home is more popular than it’s ever been! It’s partially due to cannabis’ growing acceptance throughout the world, but it’s also partly due to the availability of specialized growing equipment that can make it a lot easier to grow top-quality bud at home.
However, some "tools" that are supposed to help you grow marijuana end up costing so much time, work and money that you may have been better off without them. And some poorly designed tools may even set you up for failure!
Today, I want to share a few tips on getting your money's worth by choosing the best equipment and avoiding some common pitfalls. These tips will help you grow more potent bud that tastes better, smells better and costs less than bud you could buy from a dispensary or otherwise.
Grow Boxes - DIY for Higher Quality & Lower Cost
For those who haven’t heard of these, a ‘grow box’ is essentially a rigid grow tent with lights, ventilation and other amenities included. It’s meant so that growers can make one purchase and start growing immediately provided they already have seeds/clones and nutrients.
Grow boxes aren’t inherently a bad idea; we’ve seen plenty of growers DIY their own worthwhile grow boxes. However, many grow boxes - specifically ones made to sell to first-time growers - are designed to attract beginners, but not necessarily to help them grow and harvest plants. These grow boxes are usually sold to new growers at alarmingly high prices while also giving them unrealistic expectations.
This means that growers are left with an expensive product that isn’t well suited to growing cannabis, and won’t grow nearly as much bud as they thought it would when making the purchase.
For example, I went to Google and found a ‘16-plant grow box’ (pictured here to the right) that costs $1,800. Compare that to my setup at a total cost of about $950:
- Grow box area: 2’ x 2’ x 5’
- My tent: 4’ x 4’ x 7’
- Grow box lighting: 150W HPS
- My setup: 600W HPS
- Grow box nutrients: 6 months worth for an additional $215 (not included in original price of $1,800)
- My setup: 2+ years worth of nutrients for $35 (included in $950)
These are just a few attributes that fail to justify the high cost. And remember I mentioned those "unrealistic expectations"?
This grow box is supposed to fit 16 plants in a 2’ x 2’ area. With 4 square feet divided amongst 16 plants means each plant will only have a tiny 9sq inch space to itself for its entire life cycle. While that’s technically possible, it would be an absolute headache for a beginner to manage as opposed a much simpler system that's also cheaper. You'd basically have to be growing cannabis in solo cups.
If you’re considering getting a grow box, try spending a few minutes pricing the parts separately. Not only will you get a better deal, you’ll most likely end up with something of much higher quality. Also feel free to check out a few different proven growing setups so you know what to look for, and have something to compare prices to!
Breakdown of Cannabis Setups - View examples of first-time grower shopping lists that won't break the bank!
Money Saved: $250 - $3,000+(!)
Temperature & Environment - Use Less Electricity
One of the biggest complaints about growing cannabis indoors is that grow lights get too hot, or it's too expensive to maintain the perfect environment in the grow space. Growers can end up spending lots of money in electricity controlling the temperature and humidity: fans, AC systems, humidifiers, dehumidifiers, etc. Sometimes small tweaks to your setup can make such a huge difference that these extra tools become unnecessary, or at least you can use them less. Any reduction in electricity use (while maintaining the same level of quality) means more money saved!
- Keep grow lights the right distance away - too far and you're wasting light, too close and you're hurting the plant with too much light or heat. In both cases, that's wasted electricity and money.
- Use efficient grow lights so you get as much light and as little heat as possible. Less efficient lights like CFLs and T5s are stealthy, but put out more heat for the amount of electricity than efficient lights like HPS and LEDs.
- Set up an exhaust system so the heat gets vented out. This can be as simple as a strong fan pointing outward, directing heat away from the grow space. Sometimes even just using a window fan to blow warm air out of the room can make a difference! A cheaper setup like this can keep you from having to run a power-hungry AC.
- If the temperature is getting too high when lights are on, change the light schedule so the lights are on at the coolest part of the day, and your "dark period" happens during the hottest part of the day.
- Swamp cooler / Evaporative cooler - if you have relatively low humidity, this type of cooling system will use far less electricity to cool than a typical AC.
- If your grow space is getting too cold, instead of getting a heater consider getting a bigger grow light, or insulate your grow area to keep the heat from escaping. In any case, always make sure to keep your plants off the cold ground!
Want More? Other Tips to Save Electricity
Money Saved: $5 - $100+/month
Nutrients - Don't Go Overboard
If you’ve ever gone into a hydroponic store (the term "hydroponic store" is a misnomer as many of these stores often sell tons of soil products) you’ll know there is an insane amount of nutrient systems available. Luckily, many of the nutrient lines being sold will do just fine. And if you only use a company's "base" nutrient line, the prices often aren’t vastly different from each other.
Despite what many growers believe, a "base nutrient line" (offered by every company) provides everything your cannabis plant needs to get from seed to harvest successfully. You actually don't need any special supplements and you will still harvest amazing bud! Your grow environment and dry/cure have a lot more impact on your final quality than the specific brand of nutrients you use.
A "base nutrient line" usually consists of 2-3 bottles, and will provide everything your plant needs to produce top-quality cannabis
Tip: Just about every cannabis-friendly nutrient line recommends you start with higher levels of nutrients than your cannabis plants can use. They want to sell those bottles! You can use far less nutrients (and help your plants avoid nutrient burn) by always starting your nutrients at half-strength and adjusting from there.
In addition to buying way more bottles of nutrients than needed, which costs a lot, sometimes you have to throw out your nutrients before you get a chance to use the whole bottle, leading to more wasted money. Some nutrients "go bad" in just months after being opened (especially nutrients with lots of organic ingredients like guano or fish), and may become smelly from unwanted chemical reactions, which can also prevent your plants from getting the right levels of nutrients. If your nutrients don't smell the same after being opened for a while, don't use them!
However, the most cost-effective nutrients usually come in large 32oz bottles. If you get nutrients in this size, it's best to make sure they last a long time after being opened so you are able to finish the bottle before it goes bad.
Fox Farm base nutrients work great, and even though the entire line is made up of mostly organic ingredients, they're formulated in such a way that each bottle will last as long as two years when stored in a cool, dark place. Nutrient base lines without any organic nutrients (like the General Hydroponics Flora Trio, a personal favorite) can last 5+ years after being opened when stored properly.
So if you want to use the cost-effective big bottles of nutrients, go for ones that last at least 2 years after being opened. This gives you plenty of time to go through the typical 32oz bottle!
Note: I've found the best way to discover this information is to contact the nutrient company directly (usually they have a "Contact Us" form on their website, like this one for Fox Farm), and they will usually get back to you in just a day or two! This is a great way to get other kinds of information about nutrients (and supplements), too! Plus, when you contact a nutrient company privately with direct questions, the answers are often a lot more frank about growing cannabis than the type of vague wording you'll see on their bottles or website.
Money Savings: $18 - $30+
Supplements - Keep It Simple!
To be frank, many supplements are completely unnecessary. Some claim to do things that are very difficult for a hobbyist grower to measure. On the other hand, some supplements can be the thing that saves your garden from impending doom!
If you’re going to use a supplement, make sure that you know what it does and that it’s actually solving a problem you have. There’s nothing wrong with trying out new stuff or being on the cutting edge of growing technology, but if money is tight, then you want to make sure you’re only investing in something with tangible benefits.
When I talk about supplements with "tangible benefits", I mean that they do a specific job where the benefits seem obvious to the user. For example, it might be tough to tell if a supplement that claims to "make bigger buds" is working because you don’t have a basis for comparison. This means you pretty much have to assume it's doing its job.
However, if you’re using a supplement that claims to fight off root rot (like Hydroguard), or claims to prevent calcium/magnesium deficiencies (like CALiMAGic), you’ll know whether or not it’s doing what you paid for purely by the results.
Money Saved: $125 - $200 for full supplement systems
CO2 Bags/Buckets - Probably Not Worth The Money
When used properly, CO2 (in large enough quantities) can make for dramatic increases in yields. The problem is that there are a bunch of limiting factors in the way before you actually see any benefits from using CO2. You need a relatively sealed grow space, high temperatures, and lots of light before adding CO2 makes a noticeable difference. Basically, if you aren’t perfecting most other aspects of your grow (training, lights, temps, humidity, etc.), adding extra CO2 may not do you any good.
That being said, adding CO2 can noticeably improve a grow. It's the CO2 bags/buckets that are unproven when it comes to getting tangible results.
I think of CO2 bags like weight loss pills: The idea is appealing and the price usually seems great for such a huge reward. Additionally, like weight loss pills, CO2 bags have the deadly advertising allurement that makes suckers of so many of us: the promise of maximum gains from minimal effort. We all love things that make our lives easier while also requiring little-to-no work on our part!
Plus we all know plants like CO2, so it could only be helping right? Well, it might be helping! It just probably isn’t helping enough to pay for its $30 - $70 cost.
The problem is that these bags generally don’t make enough CO2 to make a difference, and to make things worse, most home setups don't have bright enough light to get significant yield improvements from CO2 anyway. The vast majority of growers will get better returns as far as yields from plant training or upgrading their grow lights. You could also save that CO2 money for the next batch of seeds and pick a proven high-yielding strain. Again, it’s not that CO2 bags are bad; they just don’t provide obvious tangible benefits compared to other things that do produce measurable results.
Want to learn to use CO2 the right way?
Click here to check out our page on the topic!
Money Saved: $30 - $70+
Plant Training - It's Almost Like Bonus Bud
Plant training costs close to nothing - maybe a couple dollars for some twist-tie - and can dramatically increase yields. Plant training is a fantastic way to get more bang for your buck when growing, though it's important to start when your plant is still small.
Training takes a little time to learn and time should be applied to your plants from when they're young
But if you’re willing to invest a little time to train your plants during the vegetative stage, you will see returns in the form of undeniably larger yields. In fact, training is probably the best way to increase yields without having to alter your setup or buy new equipment. Some advanced training methods - such as ScrOG and Manifolding - are capable of producing 40% or more bud than plants grown in the same environment in the natural ‘Christmas tree’ shape (called ‘apical dominance’) which is great outdoors under the sun, but performs poorly indoors under grow lights which don't move through the sky.
All that extra bud converts into money saved! How? Because you don’t have to grow as often when you get bigger yields! Every day you don’t have to grow is another day you aren’t paying for electricity/nutrients/water/etc. to grow and you're getting back the time you would have spent.
In short, you grow more buds with the same amount of supplies and then get a break from the costs of growing. It doesn’t get much better than that!
Money Saved: $40 - $100+ per month
Do you have some good methods to save money without sacrificing quality in a grow? Let us know!