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Doubtful that it's insects. Sounds more like nutrient issues to me. How old are these plants? Have you tried flushing these out yet?? Is this starting from the bottom and working it's way up? What are the temps of your water?? In the room??
Hydro Growers: 1. Are you growing from seed or clones? 2. How old are your plants? 3. How tall are your plants? 4. What type of hydro system are you using? 5. What brand/type of nutrients are you using? 6. What is the Ph of your nutrient solution? 7. What is the PPM/EC of your tap water? 8. What is the PPM/EC of your nutrient solution? 9. What is the temperature of your nutrient solution? 10. Does your PPM/EC show a rise or fall when you do your daily PPM check? 11. Does your pH show a rise or fall when you do your daily check? 12. Do you foliar feed or spray your plants with anything? 13. What kind of lights do you use and how many watts combined? (HPS, MH, fluorescent, halogen, incandescent "plant lights") 14. How close are your lights to the plants? 15. What size is your grow space in square feet? 16. What is the temperature and humidity in your grow space? 17. Have you noticed any insect activity in your grow space? 18. How much experience do you have growing?
-------------------- Dude she isn't as young as she use to be.
Ebb and flow can be a little tricky to get the timing down on watering. How long is the pump running when it is on?? It could be that your not giving them enough watering's. 65 is just fine for your water temp
-------------------- Dude she isn't as young as she use to be.
Well if your not familiar with ebb and flow maybe you shouldn't tell him his rate of watering is fine.
Stick with the same frequency during your flush. Use a product like clearex, this will help a ton. If you can't obtain that then just use a very low nutrient solution. Like 1-2 ml's per gallon of water. This works better than plain h20. Let it run for an entire day, then on the 2nd day change your reservoir and replace with your full strength nutrient solution.
As for frequency your going to have to fiddle with that one on your own. Check the root zone right before your pumps go back on to see how much they have dried out. If it seems to dry up the frequency. Too wet decrease it.
Do you have an air stone with a pump in your reservoir?? If not I would recommend it.
-------------------- Dude she isn't as young as she use to be.