Comment to 'Viparspectra P2000 and distance between LED and plants Tops'
  • Anyway finnally changed my mind to help with summer heat stress as i don't have that much money to invest actually.

    i decided to keep my HPS 250W and invested in:
    - Reflector XTRA-COOL V2 125MM glass ventilated type cooltube
    - PLATINIUM Nutrients - Box of 60 CO2 TABS tablets

    from my research around the net the cooltubed reflector may help reduce heat from 3°C to 7°C and CO2 tabs with each watering should help the plant handle more heat.
    (Another benefit of a CO₂-rich grow op is that cannabis plants can tolerate slightly hotter temps. Instead of religious dedication to ensuring temps never exceed 28°C with the right CO₂ ppm marijuana can still thrive in the 28-33°C temperature range. In fact, weed prefers slightly higher temps in a CO₂ rich environment.
    (source: https://www.zamnesia.com/uk/grow-weed/398-effects-of-co2-on-cannabis-plants ))

    Also someone hilighted me that viparspectra P2000 had less red in her spectrum than some other brand, and so on might be more optimum for vegetation than flowering.

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