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    Reusing rock wool grow blocks and coco mat

    Curious if there is any downside to simply reusing the grow blocks and mat after a flood and drain grow is completed and roots removed as much as possible from both? Thanks.
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    were the hell do i find rock wool, or the cubes ,clonning?.i have looked everywere??

    Ebay has them. Shipping may be a bit high if you only need a few. Hydro store is better and can be cheaper.
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    Advanced nutriens Overdrive, anyone used this????

    I use it each grow, and am in my 8th week with Casey jones in RW. No changes in colors including the leaves. May go to 10 weeks-no surprise if so. Big buds so far and getting dense.
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    I cant get rid of bugs...

    I have used Azatrol each grow. Zero bugs. All clones get dipped to start.
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    Flushing plants with water in the middle of a grow.

    I am in the 6th week of bloom with an ebb and flow system using AN nutes. Everything is monitored daily. Plants look ok and are over 4 foot high-Casey Jones-sativa mostly. They have stopped growing this past week. Should I have been doing a water flush each week to avoid salt buildup or is that...
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    Ideal nute temperature?

    Middle of the road nute temperature for an ebb and flow grow in rockwool cubes? Thanks.
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    Flood and drain time

    Is 6 minutes enough time every 3 hour cycle in a 24 hour period, for a flood and drain table with nutes 3 inches deep on 6" rockwool cubes? Thanks
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    Grow tent too hot

    Presently the weather here is 100+ in the day and tent temp is at or just above 80 degrees. However, each night it cools down into the 60's. So even though I am in my 6th week of flowering-I would like to reverse the the 12/12 time period to 12 off in the day and 12 on at night. To do this I am...
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    When to change out nutrient reservoir?

    I currently am using a 50 gallon combined reservoir and Advanced Nutrients in my ebb and flow grow. Also using air stones and a recirculating pump 250GPH from one res to the other-they are connected by pass through fittings at the bottom. I have been dumping the res every 7 days, and mixing up a...
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