Indoor Gardening: Basic Hydroponic Tools and Equipment

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Indoor hydroponic gardening
Indoor hydroponic gardening

It is no secret that commercial growers have been using hydroponic tools and equipment for indoor gardening for years. Like other businesses, these farmers need to generate revenue and provide a product to customers year-round. What if you want to become more self-sufficient during the COVID-19 lock-down? What about the average person that wants to do it on a smaller scale? The good news is that you can. Let’s look at what you need to get started.

Light for Photosynthesis

Dictionary.com defines photosynthesis thus, “the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.”

Yeah, yeah, yeah; what you really need to know is that your plants need light to grow. Of course, sunlight is optimal; it provides the full spectrum of visible and non-visible light. It’s offered to us for free and is the best way to provide light for hydroponics. Many vegetable plants and herbs like mint and basil do best on at least six hours of direct light each day. Southern-facing windows and greenhouses have the potential to provide this amount of sunlight.

But what if that’s not in the cards? You’ll be best investing in grow lights. Look for ones from 4,000 to 6,000 kelvin to insure that they deliver both cool (blue) and warm (red) light.

Substitute Substrate for Soil

This is where the hydro part comes in. The water and nutrients circulate through the substrate which is a material such as pea gravel, sand, coconut fiber, peat moss, expanded clay pellets, etc.

Water

Clean water is critical. The water of choice is treated by reverse osmosis (RO). This purification process results in water that is 98% to 99% pure and your plants will thank you for it. You will also have to keep an eye on the water pH (a measure of alkalinity or acidity. For example, if you are growing tomatoes, they prefer a pH of 6.0 to 6.8 on a scale where 7.0 is considered neutral. Mint plants prefer 6.5 to 7.5. Growing beets? Shoot for 6.0 to 6.8. Knowing these numbers is important as you consider companion plants for your garden.

As far as fertilizer goes, you’ll want to buy a hydroponic premix because it will contain all the nutrients needed. I suppose you could cobble together your own but the expense/work ratio doesn’t make sense to me. Of course, it wouldn’t hurt to add foliar feeding every couple of weeks.

Types of Hydroponic Systems

As you might suspect, there is a range of systems to choose from.

  • Water culture. Uses a non-submersible air pump, air hose, floating platform, rope wicks, and grow tray.
  • Nutrient film. Uses non-submersible air pump, air hose, submersible pump, air stone, overflow tube, and grow tray.
  • Wick system. Uses non-submersible pump, air stone, air hose, rope wicks, and grow tray.
  • Ebb and flow. Submersible air pump, air hose, timer, overflow tube, and grow tray.
  • Aeroponic. Subersible pump, mist nozzles, air hose, and short-cycle timer.
  • Drip system. Non-submersible air pump, submersible pump, air hose, timer, drip lines, overflow tube, drip manifold, grow tray.

There are your basic hydroponic tools and equipment for indoor gardening. Whether you approach it as a hobby, as a serious farmer who is going off the grid, there are numerous benefits. The produce will be fresh, as organic as you make it, and available year-round.



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Photo of Kelly R. SmithKelly R. Smith is an Air Force veteran and was a commercial carpenter for 20 years before returning to night school at the University of Houston where he earned a Bachelor’s Degree in Computer Science. After working at NASA for a few years, he went on to develop software for the transportation, financial, and energy-trading industries. He has been writing, in one capacity or another, since he could hold a pencil. As a freelance writer now, he specializes in producing articles and blog content for a variety of clients. His personal blog is at I Can Fix Up My Home Blog where he muses on many different topics.

List of Cold-Hardy Mexican Avocado Trees

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A Don Juan avocado tree; freshly-planted
Don Juan avocado tree; freshly-planted

There’s only one drawback to fresh avocados that I can think of — the price. That’s why planting your own tree is such a good idea. The image above is the Don Juan variety that I planted yesterday. I’m generally not a big fan of staking new trees but this time, as I was finishing my tree planting adventure, the wind was beginning to whip and a rain storm was blowing in. This afternoon I can follow up with a top-dressing of compost and some hardwood mulch. Which species is right for you? Here is a list of cold-hardy Mexican avocado trees in alphabetical order.

When planting avocado trees, keep in mind that they like well-drained soil. They do not tolerate overly-wet soil well. As with your other trees and plants they prefer the pH of rain to tap water. It is always a good time to put in a rainwater harvesting system.

List of Avocado Tree Species

  • Brazos Belle. This one tolerates cold in the mid to low teens. The fruit is large and purple-black.
  • Brogdon. A mature tree can reach as high as 30 feet tall. Expect the crop to ripen ripen late from mid-July to mid-September.
  • Day. If you are into container gardening, this is a good choice. It will grow to 6 to 8 feet and will produce when it reaches 3 to4 feet high.
  • Don Juan. The Don can handle temperatures down to the mid to high teens. In height it can reach 20 to 25 feet when fully grown.
  • Fantastic. It’s considered to have one of the creamiest textures of the flesh. It is very thin-skinned and is very freeze-resistant.
  • Joey. This variety boasts a dark, purple-black skin and an egg-shaped fruit.It is one of the most prolific producers of any of these species. It is right behind the Fantastic in cold hardiness.
  • Lila. Lila bears medium-sized pear-shaped fruits. It is cold-hardy variety down to 15 degrees and when mature maxes out at 10-15 feet high.
  • Mexicola. This one is cold-hardy down to the low 20s. It’s known for its creamy, smooth taste which makes it a natural in dishes such as Tuscan kale salad.
  • Mexicola Grande. It is known for nutty flavor and has the best reputation for consistent fruit size if that is important to you as a home-owner. That would be low on my priority list but it is what it is.
  • Opal. No, not a precious stone or European car brand, but a medium-sized, pear-shaped avocado that many consider to have the “richest” flavor of them all. It is also the greenest of all the soft-skinned varieties so be aware of that when judging harvesting time.
  • Poncho. It is also called the ‘Pancho’ and bears a medium-large green fruit. It can tolerate cold down to the low 20s and is the latest of the producers from mid-August through October. In that respect, it pairs nicely with and early producer if you want fruit for a long period. And who doesn’t?
  • Pryor. The Pryor is cold-hardy down into the high teens and is also listed as one of the green-skinned varieties.
  • Wilma. It was probably not named after Wilma Flintstone but is one of the largest avocados on this list. It is known for its great flavor. It is a black-skinned variety and has been around longer than most on this list.
Avocado nutritional facts
Avocado nutritional facts

Avocado Health Benefits

Although avocados are high in fat, don’t let that put you off. They contain the “good fat.” As far as health benefits go, the avocado is right up there with tart cherries. Check out these health benefits:

  • Healthy weight loss. They are high in fiber so they make you feel full.
  • Eye health. The nutrients lutein and zeaxanthin fight macular degeneration.
  • Helps to prevent type II diabetes. It does this by stabilizing blood sugar levels.
  • Increases nutrient absorption.
  • Bone strengthening. It does this by providing copper, folate, and vitamin K.

Well, there you have it. Choose your favorite one or two from this list of cold-hardy Mexican avocado trees; enjoy money-savings, shade, and good health.

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About the Author:

Photo of Kelly R. SmithKelly R. Smith is an Air Force veteran and was a commercial carpenter for 20 years before returning to night school at the University of Houston where he earned a Bachelor’s Degree in Computer Science. After working at NASA for a few years, he went on to develop software for the transportation, financial, and energy-trading industries. He has been writing, in one capacity or another, since he could hold a pencil. As a freelance writer now, he specializes in producing articles and blog content for a variety of clients. His personal blog is at I Can Fix Up My Home Blog where he muses on many different topics.