Question from a fellow grower: i am having burns tips on new growth, the tips dont grow yellow than turn brown, but come out directly brown.
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Strain: Pakistan Valley “WOS” regular, landrace 100% indica.
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Type (fem/auto/reg):
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Climate (indoor/outdoor): indoor
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Medium (soil/hydro/details): forest soil mixed with canabis friendly soil.
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pH of runoff or solution in reservoir: now i have found out that my ph was not right, my tap water ph “wich i had used” is 8 ph. now i use rain watter and distilled water.
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Nutrient mix strength (EC/TDS): in the begining i have not used nutrients, exept some banana peels mixed with the soil in the begining. now i use fish mix and bio bloom, im in preflowering stage.
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Light type & schedule: 2x vipar spectra reflector series 450 w for 6 plants at height about 20 inch. all switches are on.
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Temperatures day & night: temperature is just right, it goes at 26 celsius and 20 during the night. “wich is a day time outside” but no light enters the box. isolated to keep heat for long times.
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Humidity day & night: at day 70 % but at night my exaust is off and because of the heat from the oil heater it rises at 80 %, this happens because i have overwatered. i need to fix overwattering.
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Ventilation: its a ram echaust fan 6 inch, runing at low speed when the lights are on. the room size is about 3m x 120cm x h170 cm.
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AC: 220 v.
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Humidifier: no, i dont need it.
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De-humidifier: i use the exaust fan. “i will but a fan controller”
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Co2: i use a myco2 bag generator, and a fan to ventilate the area over the plants. the fan is positioned over the bag, ventilating down to the plants, it is not a strong wind. the fan stays on all time.
i gave humus recently.
i have figured out some insects and will filter the air intake with a coton blocker cloath on the intake tube.
i also had phosphorus deficiency, not it is recovering from that issue. but the burnt tips still come out of the new growth.