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I'm using the calibration solution to calibrate the meter. I put it in the solution press and hold calibration button it's then gives the reading and says done.

How do I do this? It's a blue two button pancellent meter. but why are the numbed the exact numbers of other calibrating solutions ?that seems like not a coincidence or a misreading doesn't it? 9.18 and 6.86.

Yes for sure. It's a simple put in solution and press the calibration button for 5 seconds then it gives the reading says done. Seems fool-proof :D

The 4 is reddish the 7 is clear

Hello I have brand new just opened ph 7 and ph 4 Growth Technology brand buffer solutions showing 9.18 for the ph 7 solution and 6.86 ph for the ph 4 solution. Wtf? It's my first time calibration a ph meter but I have noticed that these 2 numbers are the exact numbers of other ph buffering...

Yes I agree you should read about dichlorvos vapour thoroughly as then you would know if used properly its not harmful. Its half life is 12 hours and it has no killing power in the same area once the vapour has dispersed after 24 hours, so that means no surface residue in the area that is...

You're using Southern ag in coco? Does that create more root growth in the coco? Thanks

Get hot shots no pest strips they kill everything and the plants love it...

Mine has something to do with the electricity, when I turn the electricity on it whines, if its still spinning fast and I've turned the electricity off there's no whine. It also whines with no speed controller so it's not the speed controller either, it's got to be the motor. Good luck with...

No it's definitely the fan, it's not even connected to any ducting yet. I thought maybe the fan blade was rubbing lightly on something but the noise stops when I shut the speed controller off but the fan is still spinning fast, so it's something to do with the electricity.

Yeah I expected silence tbh, it is used tho so maybe some fuckery going on. Fan was £180 which is a great price for this its a beast, but uh not if its not 100 percent. The controller was £35 I think. What price was yours what size is it?

Just got a used Q Max 315 EC fan running it with their own brand new EC fan controller and it has a motor whine, not bad at 30 percent but quite loud at 50 percent power. is this normal for these fans? Thanks for any help.

Ah right understood. Thats where the 1.4 EC rather than 1400 EC comes from, 1400 is micro seimens. Got it thanks.

Microsiemens is the same as EC isn't it?

Yes makes sense. Thank you.

Yeah I've heard of this too. Well hopefully it wasn't too much released there's a few plants that have definitely been pollinated but not others and a few only a couple of branches.

My ec tester displays it as not a decimal.

Oh right thanks! Is ec always written as a decimal?

It's not ppm it's ec, ec is always the same it's one scale, ppm is 2 different ones.

there's a few differnt strains in the tent that one is the only one showing that at all and it's near the fan, and an ec of 1400 of flower nutes in week 5 is very low N so wouldn't that would be strange to be toxicity?