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It's the meanwell hlg-600h-36b 100kohm/n I have 16 drivers so 100kohm/16 for 100% power Which is 6250 ohm for 100% but I don't want to run them at 100% I want my max to be 50% so I need my resistor circuit to max out at the 3125 ohm and min 10% 630 ohm. When i bought the drivers I might of...

I made an error I didn't include the original 630 ohm resistor in the calculation. Can anyone confirm if this is right? Providing min 630 ohms max 3200(ish) ohms? Thanks

Does anyone mind checking my math to make sure what I think will work - will actually work? A 630 ohm resistor in series to ensure all resistance is always atleast 630 And then 14x 630 ohm resistors in series to create 8820 ohm and 5000 ohm is parallel should make near 3200 ohm when pot is...

i need to provide a min resistance of 630 ohms and a max resistance of 3125 ohms to my drivers I've got the 630 ohms covered by a fixed 630 ohm resistor however is there a way to put resistors in parallel or something to create the max resistance of 3125 ohm with a 5k potentiometer? I only...

I was looking and found this for sale from china: https://m.alibaba.com/product/60656858994/digital-tds-ec-meter-ec-ppm.html?s=p&spm=a2706.7843667.1998817009.1.lSzu0z Does anyone think it is a decent one or will break in a month?

Clear silicone and hot glue would probably do exactly the same thing.. Your best off using hot glue as it costs pennies compared to silicone.. Also hot glue will probably be a better adhesive unless you pay extra for good quality adhesive silicone

I used a hot glue gun to put glue all around the joint and about 1.5 inch up the wire to secure the wire to the heat sink. It seems to have done the job to secure it . And it's very cheap

I bought 680 citizen cob leds for 8 usd each. 680 holders would cost nearly as much as the LEDS. I then broke 8 cobs so I only lost like 64 dollars. I would of spent nearly 1500 or more on holders. They are worth it if you only have a small setup though. I just couldn't justify spending so...

If I want to read 3 different reservoirs at the same time it would cost 750 GBP... Was hoping to spend maybe max 200 in gbp for reading all 3

i am looking for a good ppm/ph meter At the moment I have a blue lab guardian however I want a Ppm meter that if possible has multiple probes ideally I want to constantly have a reading on my clone/mother tank - veg tank and flower tank. And for them all to be displayed side by side... it...

If that can be fixed I will have a fit... As I had to replace 8 cobs that I broke due to that metal connector breaking offf. I don't believe that can be fixed

It might have been a faulty joint other ones are ok for now. I've went and used hot glue on every single joint and it's made them very secure. Hopefully the issue is resolved. Cheers for help

i just finished part of my build and when I turned on the driver they all lit up fine but some of the solder joints that I've done look like they are melting. One wire so far fell off due to melting and several others look like they have a brown flux stain around the outside of the solder joint...

The only dual hose AC I can find for sale in all of Europe at the moment is this one: https://www.manomano.co.uk/portable-air-conditioner/pac-3550-pro-local-air-conditioner-1692572 So I plan on using 3 of them in the room and connect all the exhausts together with a booster fan sucking it all...

Are these AC units more efficient? And what are they actually called as I've never seen one for sale like that here That looks like it will exhaust the grow room air too. I use CO2 so I can't cause negative air pressure in the room

The chimney is that wide but the amount of bricks I can knock out limits me to 150mm. I can't find a double wye that is bigger than 110mm. So I might get a double wye connect all the 150mm ductwork to it with clamps and then have a 150mm exhaust sucking the air through the 110mm double wye and...

i need to use dual hole AC units for my grow. Can't get a mini split I've already tried unfortunately it's not an option. My question is can I use a booster fan on the exhaust hose to help with longer runs? I was thinking of using 3 dual hose AC units each of them have a 150mm hose. I could...

I have 4 cobs for every square foot. What I think you mean is do I have more space below the cob than the actual cob takes up? Then no I literally have so many cobs per square foot that I could have the plants 4 inches away and probably have very even coverage. They are mounted on 28cm...

Would this be 1100ppfd at 18 inches or 12 inches?

Right I've Been having a think and a bit of a shake up... From your advice that 45w per square foot is more than enough for with co2 im thinking of running the entire fixture down to 4000w So in total all the lights (mothers and clones etc) I'll be running 5000w in the room. Do you think I'll...