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A quadgrow feeding question please

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  • ShepsSheps Posts: 2,236
    Not sure if they are the same but, I have the instructions for the HWK for the first version of the Quadgrow.

    Hope it will be some use, if not you could always try YouTube.




  • Kitty52Kitty52 Posts: 186
    I am also a bit confused re feeding!!!  I have my reservoirs separated i.e. 15 litres in each.  I have recently topped up the reservoirs.  As they are full can I then just add 90mls of A and 90mls of B directly to the reservoir?? 
  • Kitty52Kitty52 Posts: 186
    I have only given them a couple of feeds and did it from the top with Tomorite as was unsure what to do.   How often do you feed them then as surely the ratio won't be the same if the reservoir is not holding the full amount of water?? Am I just being stupid!!
  • REMF33REMF33 Posts: 731
    edited June 2023

    Ooh thank you @Sheps!
    I had terrible problems with it last year (turned out to be faulty) and there are no youtube videos that I could find for this version. But, as I was doing it I kind of remembered (plus the endless fiddling before I realized it was faulty) all came back to me.
    So I have set up two Quadgrows now. 4 to go. I seem to have lost some of the rubbers washers but have sent off for some that will hopefully do, otherwise I will be a bit stuck. (But do have some of the older Quadgrows kicking around.)


  • REMF33REMF33 Posts: 731

    @Kitty52 Not being stupid at all. 

    I usually wait until the reservoirs are almost empty. I then mix the feed in a watering can with some water (water, food A, then B) and add to the reservoirs after I have semi-filled them with water then fill to the top. 
    With the two reservoir design, in principle it should be fine to pour all the feed mix into one tank, as water poured into one goes into the other, but you could, to be on the safe side, pour half in one tank and half in the other. I can't remember what I did last year, but will probably do this.

    My other tips are (! :) ) : use extra strong velcro to stick the pots to the lids of the reservoirs for extra stability.
    Stick smallish canes down through the holes round the edge of the lid through to the ground to make the whole kit more stable. (These holes are intended for use with lids for the pots - you are supposed to put canes through both to use as supports for the plants, but I don't have lids and you do need them if the canes are to support the plant. But they are useful for stabilizing everything.)
    If this doesn't make sense and you want it to, I can post photos.
    You probably don't need to do either if you are using them in a greenhouse though.


  • REMF33REMF33 Posts: 731
    edited June 2023
    If you want to top up, you will just have to add the relevant amounts of food for your watering can size and top up with that. It's much less faff, though, I think to let the reservoirs run right down.
  • Kitty52Kitty52 Posts: 186
    Thanks REMF33.  I have them in the greenhouse so should be okay.  Photos would be good to see what you mean though. I now have two cucumbers growing so must be doing something right.  In Scotland so everything bit slower!!
  • ShepsSheps Posts: 2,236
    No problem @REMF33 happy to try and help.

    As for feeding @Kitty52 last year I just used plain water in the reservoirs and used Maxicrop Organic Tom feed direct into the pots.

    I did this due to salt crystals forming on the water's surface due to evaporation and the extreme heat.

    Will see what happens this year 🙂
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