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Understanding Greenhouse Irrigation for Cannabis Cultivation

Understanding Greenhouse Irrigation for Cannabis Cultivation

ravi 03/13/2019 0
Posted March 24th, 2017 by Jack Bohannan in the May-June 2017 edition of Professional Marijuana GrowerAll growers have done it: damaged a plant with erratic watering practices. But for cannabis cultiv...
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Setting Tips

Setting Tips

ravi 03/13/2019 0
1. Put a pipette or eye dropper underwater and into one of the holes on the inside top of the Blumat cap and squeeze out air bubbles.2. Make sure top not too tight when soaking in water 3. Sometimes t...
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Run-Aways—how to avoid

Run-Aways—how to avoid

ravi 03/13/2019 0
Air Inside - Air can get inside a Blumat for several reasons. This happens most often in a gravity system when we forget to fill the res before the water drops below the output port. That can put air ...
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Reservoirs in gravity systems

Reservoirs in gravity systems

ravi 03/13/2019 0
This way you can automatically refill the res with a pump and timer, a pump and float valve, or a utility water supply and float valve. You could also connect the two tanks with a circulating pump. Th...
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Placing the Sensors—Fabric vs. Plastic Pots:

Placing the Sensors—Fabric vs. Plastic Pots:

ravi 03/13/2019 0
Maxis on the Side: in larger fabric pots (10g+), if you put a Maxi horizontal two inches or so above the bottom, you can use one less carrot than the standard recommendation. It’s good also though to ...
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Maintenance

Maintenance

ravi 03/13/2019 0
1. In a gravity system with low pressure, it’s good to open up an air purge valve at the end or middle of the supply line for a few seconds every 2 weeks or so. That will let out any dissolved oxygen ...
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How Perfect Air Drowns Plants – and What to Do About It

How Perfect Air Drowns Plants – and What to Do About It

ravi 03/13/2019 0
Every cannabis grower knows the perils of improper watering. And most can recall a time or two when they damaged the health of one of their girls through an overzealous watering schedule (or simple fo...
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How often to recheck and how much to adjust?

How often to recheck and how much to adjust?

ravi 03/13/2019 0
Because we're working with the "power of time," tiny adjustments can make big differences in moisture levels.Sometimes people want to make their soil mix just a little more moist or dry but adjust too...
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How Many Plants per Pump System?

How Many Plants per Pump System?

ravi 03/13/2019 0
Applying that rule of thumb to how many plants per pump formula, multiply the gpm x 20 (minutes per hour) = gph at this pump rate x 24 = gallons per day pumped without over-stressing the pump. Multipl...
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