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  1. Takeshy

    Accidentally gave my plants 18h/6h for one day in flower

    Hello everyone! I'm in middle of a panic crisis over here lol My plants are at the end of week 2 of flower. Yesterday I switched my timer and today I noticed that I accidentally gave my plants 18/6 for one day instead of the regular 12/12. How will this affect my plants? Will I have hermies...
  2. Takeshy

    New Samsung Diodes and Modules in 2019

    https://news.samsung.com/global/samsung-electronics-expands-horticulture-led-lineups-to-advance-greenhouse-and-vertical-farming Big news everyone! Samsung will be manufacturing modules with blue, red and far red already implemented! New diodes can reach up to 3 umol/J ! "The modules will...
  3. Takeshy

    RDWC w/ Chiller vs Bubbler, Why is bubbler (apparently) winning?

    Hello! I am currently running 2 grow tents at the moment: one RDWC System with Chiller (water temperature: 19-20ºC): and one DWC Bubbler System (water temperature: 27-28ºC): The interesting is that the bubblers actually have a better root system so far: RDWC System with Chiller: DWC...
  4. Takeshy

    Silicium Airstones

    Hello everyone! I found this new airstones made of silica which they say its better to prevent bacteria. Have anyone used these airstone already? Whats your opinion? Thanks in advance! https://www.amazon.com/Micro-Bubble-BB1030F-manufactured-Industries-Glass-Bonded/dp/B00SF17UPY...
  5. Takeshy

    Takeshy Organic/DWC LED Grow

    Hello everyone! I'm back for my second LED grow! :D I will keep this thread updated till the end of flower. Any questions feel free to ask! My first LED grow: https://www.rollitup.org/t/samsung-f564b-linear-strip-build.953509/ Peace! Day 1
  6. Takeshy

    Water Chiller Size

    Hello everyone! I'm about to buy a water chiller for my uc rdwc system. I'm having some trouble finding the correct chiller for my system. My system volume is 220L, what chiller size should I aim for an energy efficient cooling? Hailea HC-300A or Hailea HC-500A...
  7. Takeshy

    Humic and Fulvic Acids on Sterile Systems

    Hello everyone! I just noticed many nutrient brands, such as Advanced Nutrients, Canna Aqua, GHE Flora Nova, etc. already contain humic and fulvic acids on their nutrients. How does the usage of a sterilizing agent affect humic and fulvic acids? Wouldn't be pointless mixing UC Roots/H2O2/etc...
  8. Takeshy

    Pot size? (5x5 tent, 4 plants, full canopy, organic grow, fabric pots)

    Title says all. Full canopy will be reached with Bending, Topping and Supercropping. Thanks in advance!
  9. Takeshy

    Seedling Nutrient Burn

    Hello! I started a new grow 12 days ago. Everything was fine till I had the stupid idea to wet my Jiffy's in a nutrient mix (Bio Rhizotonic + Bio Vega) for germinating my seeds. As soon as they germinated they started to show signs of nutrient burn and the growth was stunted. Is there any...
  10. Takeshy

    Water Filter or RO Filter

    Hello! I'm going organic my next grow and I'm going to buy a water filter to eliminate chlorine and other contaminants. I have seen both water filters or RO filters. My water has 0.2 EC or (with calculator) 140ppm. RO filters have more features but they also waste water and have a higher...
  11. Takeshy

    CV Driver Efficiency

    Hello! I have a question about how we re efficiency on CV Drivers. In CC drivers we can only dim Amps and by logic this will affect the driver LOAD (Io = LOAD). So if I wanted to know my driver effiency at a certain LOAD, I just need to analyze EFFICIENCY vs LOAD graphic. In CV drivers we can...
  12. Takeshy

    Driver Voltage

    Hello! How many volts should I drive a MeanWell 320H-48A with 12x Samsung FB64B in parallel? 46? 46.5? 45.5? Thanks in advance!
  13. Takeshy

    Power cord for HLG drivers

    Hello! I'm looking for a power cord for my Mean Well HLG drivers. I'm from Europe so my plug should be something like this one: I found this one on mouser: http://mouser.com/ProductDetail/Qualtek/363012-D01/ Can anyone confirm if this is the right power cord? Thanks in advance!
  14. Takeshy

    Samsung F564B Linear Strip Build

    Hello everyone! Today is a big day for me because today I'm joining officially the DIY LED community! My 32x F564B from Digikey just arrived! After months of research throught forums, videos, etc. I decided to go with the Linear Strips Build. The light uniformity, energy efficiency and build...
  15. Takeshy

    Thermal Switch

    Hello! I'm trying to implement a thermal switch for my strip build and so far I found these ones on digikey: ChilLED was also selling them on their website and they probably use them in their systems. Should I use one per strip? Or one per driver? How they should be wired? Which one should I...
  16. Takeshy

    Minimum Amp per Diode with LM561C

    Hello! What should be the minimum amp per diode in order to get a good canopy penetration using LM561C? Thanks in advance!
  17. Takeshy

    Samsung F562B Linear Strip Build

    LED 48 x LM561C F Series F562B Linear Strip 3000K 80CRI (SI-B8V261560WW) https://www.digikey.pt/products/en?keywords=SI-B8V261560WW Driver 4 x Mean Well HLG-185H-C700B http://mouser.com/ProductDetail/Mean-Well/HLG-185H-C700B/ Is this driver choice correct for that amount of strips? I want to...
  18. Takeshy

    LED Build @ Bridgelux Vero29 Gen7 3000K 80CRI

    Hello! I have a build in mind but can't decide between these two options: 16x Bridgelux Vero29 Gen7 3000K 80CRI C (BXRC-30E10K0-C-73) 4x Mean Well HLG-185H-C700A (94% driver eff.) or 16x Bridgelux Vero29 Gen7 3000K 80CRI B (BXRC-30E10K0-B-73) 1x Mean Well HLG-600H-54 (96% driver eff.) Info...
  19. Takeshy

    Quick question about "Mean Well HLG-600H-42"

    Hello! Can this driver run a 20x Series COB build with 0.7A 36V on each COB? Will the driver run at 96% efficiency in this build? Data: http://www.meanwell.com/webapp/product/search.aspx?prod=hlg-600h Thanks in advance!
  20. Takeshy

    Samsung LM561C Voltage Bin

    Hello everyone! After watching the video "LIVE with: Robin from NorthernGrowLights.com" by growmau5, I got confused... Can we choose which voltage bin we will buy? Because according to Samsung LED Calculator it makes a big difference in efficiancy which bin you get. Samsung LED Calculator @...
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