I don't like the new design. To split them into two lots, you'd need something to block up the hole that connects them. Such a thing might be available. (Could someone let me know if so?) The thing that worried me most about them going bust was the filters. I managed to destroy one last year. I found a supplier and have bought a load. Without these, or a means to bung up the connecting hole, the 4 sets I bought would be useless... Re making your own, I have done this. Not the neatest of efforts but they worked. I used under bed Ikea storage boxes with wooden blocks cut to size to support the lid thorugh which I drilled large holes. However these are not meant for outside use, and eventually disintegrated which is very not good for the garden and environment. I have also made individual ones from thos large fat ball lidded bins. Can get a bit top heavy though.
This chap promises to share his idea (plus he lists suppliers for GS spare parts).
Ok might buy some as back ups. Thanks! I did order a shed load of filters though!
edit: that said are they for the connecting hole or for the hole for the watering kit? It says 'lower hole'! I guess that's the connecting one... As you say that's expensive postage if I just wanted to buy one set to see if they work.
I got a bung for them when I ordered them. Because I’ve kept them as ‘twos I couldn’t seem to connect the filter so haven’t used it. Will it make any difference if I’ve left it out??
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The new design looks good as you can split them with 2 plants in each, so good for fitting into smaller spaces.
Re making your own, I have done this. Not the neatest of efforts but they worked. I used under bed Ikea storage boxes with wooden blocks cut to size to support the lid thorugh which I drilled large holes. However these are not meant for outside use, and eventually disintegrated which is very not good for the garden and environment. I have also made individual ones from thos large fat ball lidded bins. Can get a bit top heavy though.
This chap promises to share his idea (plus he lists suppliers for GS spare parts).
https://www.allotment-garden.org/garden-diary/8064/greenhouse-sensation-replacements/
https://www.twowests.co.uk/products/bung-pack-of-2-for-sealing-hole-in-quadgrow-reservoir-tank
But that delivery price, I'd just stick some heavy duty tape over the holes like I have on my Mk1 Quadgrows.
edit: that said are they for the connecting hole or for the hole for the watering kit? It says 'lower hole'! I guess that's the connecting one... As you say that's expensive postage if I just wanted to buy one set to see if they work.