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Old 07-02-2018, 09:05 AM #51
Wingnutt
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A lot of suggestions on here work. They all require an extra step or work along the way. I'm lazy. I switched my enzyme to SLF-100 a few years ago and it has knocked down my problem by 98%. I see the odd lazy flier, but no more worms crawling through pots or swarms in the flower rooms.
I've mentioned this before and the "science" people want me to explain the how and the why. I can't. I'm a simple gardener. I do know that switching from Hygrozyme (Monsanto owned anyway) to SLF-100 was the ONLY change I made during that time and the problem practically cured itself.
Now, I got an unintended test a couple weeks ago. Hydro store was out of SLF-100 and gave me a screaming deal on Hygrozyme so I substituted - figured a month off wouldn't matter. Boy was I wrong. I'm already seeing little swarms around each pot as I water and it hasn't even been two weeks yet. Can't wait to get my SLF back.
I find the price of SLF comparable, if not cheaper, and doesn't need to be used with every watering.
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Old 07-02-2018, 07:42 PM #52
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What dilution rate do you use with the slf-100? It seems to cost 1$ an ounce so a 32 ounce bottle is 34$. I could go like 4 years with 34$ worth of mosquito bits.
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Old 07-04-2018, 06:45 PM #53
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Quote:
Originally Posted by AgentPothead View Post
What dilution rate do you use with the slf-100? It seems to cost 1$ an ounce so a 32 ounce bottle is 34$. I could go like 4 years with 34$ worth of mosquito bits.
Yes, I am sure mosquito bits are cheaper but the enzyme does way more than just take care of fungus gnats.

When I made the statement I was assuming that the majority of coco growers are using an enzyme. Most enzyme's aren't cheap and SLF seems to be no more expensive than others (pond enzyme's excluded). So, by simply buying SLF instead you could kill 2 gnats with one stone, so to say.

I use a smaller amount of SLF with every watering, instead of once a week as the bottle recommends. I have enough thing to remember so I try to simplify.

In veg I use 2-2.5ml/gal depending on the size and health of the plants.

In flower I use 3-3.5ml/gal pretty regularly. I might double the SLF with 50% strength nutes once a week.

I find the price to be worth it and I try to watch my dollars at the hydro store. I do find the discount at higher volumes much more agreeable. I usually buy the 2.5 gallon bottle and it lasts me a good 6 months plus, making around 50 gallons of nutes a day.
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Old 07-04-2018, 09:30 PM #54
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That makes no sense to me you say you don't use other methods cause of laziness, but then you say you are mixing 50 gallons of nutes a day? You can put BTI in with your soil as you mix it and you never have to do anything else besides water it as usual. I'd also wager the majority of people growing in coco are not using any enzymes whatsoever, and the ones who are are mostly using them towards the end of the grow to break up dead roots if they want to re-use the coco. Your first post says you don't need to use it every watering while your second post says you do use it every watering. Using 2ml a gallon at 50 gallons a day means a 2.5 gallon jug would last 3 months. 3ml a day lowers that to 2 months. How are you getting 6 months out of a jug? That averages to just over 1ml a gallon.
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Old 07-29-2018, 11:50 AM #55
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strong airflow at the pot level will prevent them being able to so easily land
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Old 09-22-2018, 10:57 PM #56
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Just buy some predator mites once and you will never have fungus gnats again.



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Old 09-27-2018, 11:54 PM #57
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Before I tore down my grow gnats were the bane of my existence.. And it seemed like as soon as they got bad enough, every other kind of pest swarmed in too and started killing shit.

Based on this thread, I definitely won't be growing again without Gnatrol.

edit: was thinking about this and wonder if ogbiowar wouldn't be an equally as effective, but better all-in-one ipm measure...?

Last edited by RicoT; 09-28-2018 at 07:11 AM..
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Old 09-28-2018, 11:02 AM #58
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I still use dryer sheets.

Cheap, and effective.
Have not even seen a fungus gnat in years now.
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