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  1. Roadblock

    Are these Nutrients suitable for Cannabis

    Could somebody with some nutrient knowledge take a look and tell me if these would be ok for RDWC system rainwater . Cheers Grow https://www.yara.com.au/crop-nutrition/fertiliser-products/other-products/kristaflex-c-11-03-28/ Flower...
  2. Roadblock

    Lots of Nutrient reference information.

    Came across this today its loaded with useful information and tables, sorry if its been posted before. https://www.arguscontrols.com/resources/ArgusNutrientDosingHandbook.pdf
  3. Roadblock

    Air pump advice needed

    Im thinking of running a 1/2 pipe along the bottom in two rows inside my RDWC trough , if I were to add up the length of pipe under water it would total about 4mtrs . Im thinking of drilling a cluster of small holes under each plant . I have a Pond One 02 8000 air pump, 4200ltrs per hour, Max...
  4. Roadblock

    Chorine Dioxide

    Im currently battling a slime root rot issue in a rdwc system, I transplanted them into Coco and they not happy it looks like I might loose them all, you live and learn. Im thinking I introduced root issues because of one or all of 3 areas, the clones on going into the system may have already...
  5. Roadblock

    How to easily cool clone machine

    It works good and you can control how much cooling you want by adding a second tube in a bigger container and or use longer tube. Anyway get are roll of air tubing and put it a container can be anything from a ice cream tub to a drum and have each end sticking out, fill it with water and freeze...
  6. Roadblock

    Building a RDWC a few tips in hot-cold climate

    I built a current culture based 9 bin system and just finished the first run out of it a failed crop but here is what happened and the changes made. First mistake was not insulating the bins and sitting them on a concrete floor, we had a very bad cold snap and the water went from 21 celsius to...
  7. Roadblock

    Fungus Gnats in RDWC system

    Hi and here is the deal, got two rooms one has coco perlite mix in pots the other is RDWC , noticed the flys in the coco room and on a closer look I can see the larvae in the pots so put sticky traps all over the surface of the pots and used Success Ultra ( Spinosad) as a drench following what...
  8. Roadblock

    Root temp influence over ambient temp.

    Hello guys First post here, Im a long time grower but first time with RDWC . Im running a chiller and root zone is constant 68 degrees. My question is how will the constant root zone temp effect whats going on in the ambient zone, will it help both ways of the spectrum, allow lower night time...
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