JWM2
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Pretty cool technology, $199 doesn't seem outrageous if you're into gadgets. For me, referencing a VPD chart and adjusting your environment accordingly is less drama and free. I did like the review though.
VPD is VPD, it's cool that these units do the math for you but the calculations come out the same. If this thing could talk to my thermostat or dehues that would be something else. ;)Since getting these units to review I have realized that referencing a chart is not as foolproof as it might seem
I thought that too. I was wrong. My environmental conditions change slightly from day to day and through the seasons. I thought I was on point. I was not. Since getting these units to review I have realized that referencing a chart is not as foolproof as it might seem and the results have shown to be effective. But if you’re dialed in then that’s great.
Like I said it’s not for everyone. And I was skeptical as well. So much so I had compared them to cheap hygrometers I picked up on amazon for a fraction of the price. I look back upon that post and laugh. I had no idea.
You’re doing a good job bro. If someone wants to grow as you do that’s perfectly fine.
Should folks just ignore newer technology? Or should we try it out and see and report our findings?
I’m just delivering my opinion.
If you don’t buy it that’s ok. I’m not asking you or anyone else to. I’m just saying for me it’s been a revelation. Take it for what it’s worth.
But you can’t simply dismiss it.
You’re ok not knowing your VPD and I’m ok with you not knowing your VPD. What I’m not ok with is not knowing my VPD and thus I have a tool to take those measurements for me.
Tools are just that. They help you achieve a desired result quicker and easier and that’s all.
Sure you can hammer in a nail with a rock but a hammer really does make the job easier. But it’s ok to use a rock.
Nice review. Too bad the device is cloud based. I was ready to get one but I don't like the idea of someone knowing the IP address of my grow room. Does anyone know if there is an alternative that does not connect to "Big Brother?"
I do not. All these devices are cloud based. I’m not sure there’s any risk however. Unless you label your meters “marijuana garden in illegal state” I’m just not sure anyone would go through the hassle. For me the only downside of having a cloud based service is the fact that if the company goes under so does their service.
Ok I’ve totally changed my mind on the Pulse One. After using it for a few more days I must say this thing is a god send. Seriously. To be able to monitor your VPD is a game changer. The ideal VPD is between 1.0 and 1.5 and I’ve found my grow going outside this range on numerous occasions. I’ve since incorporated a dehumidifier that I can control remotely from anywhere so if I see my VPD dip down below 1.0 I can crank it up and wham I’m back in the zone. And my plants are absolutely loving it. I’m getting ideal growth now where I was struggling in the past. My plants are growing so quickly they need to be trimmed, topped, bent or twisted on a daily basis to keep them in check. I had no idea my VPD was so far out of range at various times of the day. I now have soft supple growth in every corner of my rack from top to bottom. My plants are perspiring like they should and eating up nutrients like there’s no tomorrow.
I’ve always been a big proponent of dialing in your grow environment and this handy tool makes that possible on a whole nother level. Is it worth $200? Last week I would have said no there’s no way. Today I stand corrected. It is absolutely worth the money. Sure it would be nice to get one cheaper. I think at $99 these would be in every grow space in the country and maybe world. But for now I’m a firm believer even at the $199 price tag.
These are available on thegrowingshop.com as well as the getpulse.co website. Well done Pulse One, well done!
So I picked one up and I have to say I like it.
So I picked one up and I have to say I like it.
Do you know of temp RH combo that doesn't make the VPD flux so much when the dehumidifier cycles?Glad you like it. I am happy that i was actually able to help someone else!
Let me know if you have any other questions and I'll try to answer.
Do you know of temp RH combo that doesn't make the VPD flux so much when the dehumidifier cycles?
Do I just need a better dehumidifier?
You will need to find some way to control the heat and RH. I use AC Infinity CLOUDLINE T4, to control environment in each of my two cabinets.
I have found that those humidifiers that can be set for a specific percentage are the most useful. The other option would be use a humidity controller. With those you need a unit that will power on in a mode that is useful. A lot have safety features that require manual intervention and are not functional.
p.s. here is one of my charts for the grow cabinet for the last 24 hours. I have opened the cabinet four times today. Three just for a check and once to add water, etc. It should be easy to determine what times those were. I have not touched any of the preset on my twin t4's in two weeks. My target VPD for the point in the grow is 2.0.
View attachment 934335
Why 2.0 vpd ?
I would think In flower you want 1-1.5 vpd
I would Get a Swamp cooler instead of a humidifier (400 watts example and they kick ass, I use my quest to control the humidity down since it’s so powerful it wants everything very high humidity , Cheaper than a ac and humidity solver)
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