Indoor Gardening Basics

Preventative Maintenance

When growing indoors, whether it be organic or hydroponic, you will need to establish a routine that includes taking preventative measures against some of the more common problems that can surface and potentially turn into devastating problems. I have heard it a million times, most grow room problems are cultural and often go misdiagnosed as nutrient deficiencies. So we need to take out as many of these cultural variables that we can and establish a baseline of preventative measures.

Fungus Prevention

Beginning an anti-pest preventative regimen will help ensure a successful growing season. Before your rooted clones and seedlings are transferred into the grow room, make up a neem based anti-fungal solution in a small bucket of some sort and dip each plant into it, making sure to completely cover all surfaces of the plant. Use the manufacturer’s instructions for mixing up the solution. Always wear rubber gloves when working with gardening products that are used for the management of insect pests and fungal diseases like neem and gnatrol.

Neem Oil

Fungus Gnat Elimination

After your seedlings and clones have been moved into the vegetative room, I recommend watering your plants with RO (reverse osmosis) water mixed with Recharge. Keeping your young plants root system healthy and pest free is very important. Recharge contains a powder form of the bacteria Bti (Bacillus thuringiensis israelensis). Bti attacks larvae stages of certain dipterans like fungus gnats, flys, and mosquitos. Bti is the bacteria that Monsanto has engineered into some of its agricultural products to provide resistances to insect pests on a genetic level. Read more about Bti.

Real Growers Recharge

Check Your Water - pH Monitoring

Buy a green glass pH meter (make sure to store the probe in storage solution when not in use or you will screw it up) or go buy the General Hydroponics pH test kit for $5 from your local hydroponics store or Amazon. Whether you are growing in peat, coco, or hydroponically, you need to make sure that your water or nutrient solutions pH is in the right range for cannabis plants to flourish. If your water’s pH is off by even a small margin, a chain reaction of nutrient lockout can occur. Maintain a pH of 6 to 6.4 when growing in peat or soil and 5.8 to 6.0 with hydroponic setups or coco.

PH Monitoring

Clean Your Water - Reverse Osmosis

Filtering your water with a reverse osmosis filter is a great idea. A good reverse osmosis filter can reduce the amount of total dissolved solids (TDS) in your water to about 20 PPM (parts per million). Distilled water, which is chemically pure, has a TDS of 0 PPM. Your plants will benefit greatly when they are provided with clean water. Reverse Osmosis filters come in various configurations. For indoor grow rooms a 3 stage unit would be perfect. The 3 stage filter unit consists of a sediment filter, a carbon filter, and the reverse osmosis filter membrane. These systems remove sediments, chlorine, bacteria, and many harmful elements like lead, arsenic, and fluoride. Investment in a reverse osmosis system will pay for itself many times over.

Reverse Osmosis Water Filtration
Vivosun Garden Sprayer

Lifecycle Management Practices

Do yourself a favor and buy a garden sprayer like the one pictured on the left. Garden sprayers make the task of preventative fungicide spraying a breeze. Thoroughly spray your plants every 2-3 weeks with an organic fungicide to fend off pesky fungi like powdery and downy mildew if you are in an area where these pathogens cause problems.

3 Organic Fungicide Options:

  1. Baking Soda – Mix 2 1/2 tablespoons baking soda into a gallon of water, add 1 tablespoon of vegetable oil and 1 teaspoon of dish detergent (the vegetable oil will help adhere the solution to the leaf surfaces and the dish detergent will help the solution spread out)
  2. Neem – Follow manufacturer’s mixing directions
  3. Milk – Use 1 part organic milk to 10 parts water, any fat content will work just fine
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