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@HydroRed I was just getting information about fertilizers. So far I did read about the Lucas Formula. I would buy GHE Flora Bloom and GHE Flora Micro and use reverse osmosis water and only top off the reservoir with a float valve and just adding nutes again and again without ever changing the...

Over what area are you using a 750?

Have a look at the picture that I attached in the picture before. The spectrum doesn't look any bad. Also I was told by Nanolux the following: 'The life of the lamps is shortened when under-driving and over-driving a lamp. But also not by much. Turning a lamp on or off has more of a...

I don't know maybe it is a misunderstanding but here they write: 'We’ve pushed the newest & hottest technology in lighting to the next level. We’ve increased the standard 1150W output to 1200W, now producing a class leading luminous flux of 160,300 lm.'...

I understand it like that: Activated carbon works by a phenomenon called “Adsorption”, which is where the odor compound is trapped inside the activated carbon and retained, but the material doing the adsorption does not change size. ADsorption differs from ABsorption, which also removes...

Also very interesting I found this grow room light planning tool: SunLightSupply Lightning tool https://www.sunlightsupply.com/content/lightingtool/lightingtool.html Help for the tool: https://www.sunlightsupply.com/page/lighting-layout-tool-help/

I investigated a bit more and it seems like I will not go with the nanolux. My reasoning about that subject: The standard reflector of nanolux is like the gavitas made for overlapping the light footprint with other fixtures to create uniformity. Also it has a very wide footprint. Here a video...

I plan to have some fans on the ground to send the air upwards. I looked at the link with the filters. It is some fiberglass filters. I don't know. So far I had good experience with carbon filters. Also I tried to find information which says that carbon filters doesn't work in a sealed setting...

so you mean pull the air from the ground and give it out on the ceiling of the other room? With an 90 to 100cfms fan. Same thing for the other room? If I pull the air from the ground, will the heat also distribute? I heard heat collects in the upper part of the room... I am still deciding which...

Hi thanks for your answer! Now in winter the temperatres in the room are just above freezing point. So my plan is not to need any cooling now. Some tests before showed up results that it probably will work. In summer I will install a mini split in one of the rooms. For now I need to have the...

Nice! How long is the cables? I did read that it depends somehow on the length of cables?

Do you run your ballasts remotely with a cable or directly at the lamp fixture?

Hi, I will build a room for flowering and a room for mothers. The rooms are side by side and are sealed. I need to circulate the air between the rooms for the CO2 and for scrubbing the air with a charcoal filter. Both rooms together have the size: 16.7 x 12.2 x 8.5 feet (1731 cubicfeet)...

I read that the ballast is not FCC compliant? Do you notice that it is disturbing the internet or something else?

Right now the temperature is just a bit higher than freezing point. I hope when I make the chambers and insulate them, then I can run three or four fixtures at something around 700 - 800 Watts with CO2 without the need of heating or cooling. Actually I will distribute heat in another room too...

Yeah but I decided to reduce the ceiling to 8.5 feet (260cm) because I don't want to heat with electricity now in the winter. My ebb and flood tables are at 60 cm height. I will have no veg phase. Just switch them to flower after rooting.

So far I didn't like what gavita was sending me. Two 1000W fixtures at each end of the table, shooting lot of light in the gaps around the tables. It took them days to send me that plan. When asking about changes it takes again days.... Because I realized that my ebb and flood tables have wide...

Strange.... you might open a thread and put that question into the community. ;-)

yeah let me know that!!!! :-)

Thanks! How much it yielded?