since this thread seems to be a "all things RDWC", I thought id share my latest build with you.
I was originally gonna use really useful boxes, and had extended the tank connectors by the time I realised that when the pigs stole all my other grow gear, they took the lids for these too. Ah bollix, I thought, and checked my wallet to see if I could afford some new lids. As, usual the wallet consisted of a pipe screen and some invisible money, so another plan was needed.
I previously bought a load of totes to build a true undercurrent system, but due to the side angle they were no use. So I dug them out , and they had lids.
So the lids were cut to suit some flood and drain bucket inners. These are about 250mm diameter, and the lip on the lid will mean that the plants are less likely to topple over when they get LARGE.
So they will do, and I marked out my floor to the side of the tent, 1.2 by 2.4. Put the totes in place and pondered for a few days, as you do,. How many totes will I use, 2? 3 or 4. As usual gree d took over and less veg time of 4 was decided upon, and I started glueing fitting together it looked like this
I was fairly happy, but they looked too close together for the size of plants I'm planning, so ive now decided it will be 3, not 4.
A spray bar or 3 was made up, and altho I normally wait for my pump to check out the flow rates from the spray holes, ive done this long enough to know that 3mm holes x 8 per pot will provide lots of dO to the pots. the lids have a really handy flip up lid, so you can check the roots without lifting out the plant, which is always handy if you're as lazy as me.
sprayer
so I needed a pump, so I got a hailea HX 8850 off the place we dare not mention. It shifts 5000l.hr uses 100watts, and has a head of 3.5 metres so it will be more than enough for these .
that's as far as ive got, I need the pump to make up the rest of the spray bars, and I need more pipe to cut for the returns, to make 3 fit properly in the tent, but I should be up and running shortly.
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