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Thanks for helping me, i think im using alfalfa pellets. I can get them cheap, they supply me with around 4-1-4 so i could balance them out with high P guano.

Ok, now is weedstoner420 said: Potassium sulfate (K2SO4) synthetic?.

Thanks, this would mean it wouldnt kill my beneficial bacteria like normal fertilizer can do?

Never heard of that stuff, unfortunately It doesnt ship to the Netherlands. Do you know more alternatives? Or is guano shit not for me?

Hello, I would like to start building my own organic potting mix. Adding fertilizer i would like to add seebird guano because i can buy it for a good price. One thing i couldnt find is good source of pottasium, the guano wich i can get really laks pottasium. Some sources like ashes are just...

Run away from it or buy it?

Where can i buy the verry good state light? Or do you sell it?

Hello, I was planning on a shelf led light build with multiple layers. Now i would like to control each layer of light individually. I already have some HLG CC or CC+CV drivers in my house. Can i combine this HLG drivers with a CV controller? ( more info on this controller is available in the...

Thanks for this good explanation, my driver is the HLG 320H-24B wich says it is CV+CC. In can dim the leds with the potentiometer. so with this driver it could be possible? It ain't a problem if the fans go slow. Only thing is i don't want to damage my strips.

Thanks, so Its possible? I don't like to add another power plug and cable to the build if It ain't necesary

Yeah, i know about the Hooks, wil change it sometime i gues. Intresting to hear you got the same problem. I've you know more i would be glad to hear it

Hello, I've build a light using a HLG 320H-24B The strips run at +- 21-22.5 volts. At 480mah (Parralel wired) I've got some Nice papst 24v fans (4watts) Can i use these in this build and connect them to the driver?

Netherlands #spiderfarmer

Thanks, only thing is im doing this at 230vac. I always thought this cc driver deliverd 13.3 Amps in cc region. Or do you think the 13.3 is the amp draw instead of amps deliverd?

I bought a kill a watt and he measures 300 watts wall. That should be 320?

It is verry strange. I was running 2 Times 3 *4watt fans parralel on drivers, so 6 in Total. If i would power driver A the problem would occur. If i would power driver B the problem also would occur. Right now i have all 6 fans installed in driver A and its fine. Looks like the driver can't...

Will trie this in the weekend, Will An 100k poti+10k resistor up the maximum wattage, without affecting the possibility to dim?

I Will test the grounding in my house soon. I had 6 24v fans for venting, if i don't use these, the problem seems gone.

Also i use a 100k potentiometer.

Hmm. The problem is back again. I removed the fan and now get shocked again. My growtent is on rockwool plates to prevent it from touching the (concrete) floor. Could this be part of the problem?