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Dripper system help wanted :-)

Hi, I'm putting together my dripper system and wondered if anyone can clear up one or two things.

Its a 16 adjustable dripper set up, with a 225ltr res, DTW to feed 16 plants in an area approx 2.3m x 3m. The plants are all sat on individual waste tanks (35ltr PP5 plastic storage boxes).

I'm having to run the piping in a rectangle shape to best fit my room and enable me to get in amongst them to work, the size of the rectangle is 60 inches by 44 inches. at one end the 44 inch is cut half way along and a "T" piece fitted to run the pipe to the res, which is sat a couple a few feet away. There is an inline filter between the res and the rectangle. The feed will be pumped by a decent powered garden pond fountain pump.

1st question is, is it important to evenly space the drippers around the ring, rectangle, ie. 16 evenly spaced dripper feed pipes from the main rectangle feed ring, and will the 4 elbow corners making up the rectangle have an influence on things here.

Also, when I ordered the stuff online, I was and still am pretty broke, so I ordered some cheap bits. The elbows and "T" pieces only have one sealing ridge on them, whereas in the past I've always had them with three ridges. The main feed rectangle is made up from 15mm pipe, and the connectors are 13mm, they are a snug fit, but can be pushed fully into the 15mm pipe with relative ease, where before I've had to put the ends of the pipe in hot water to soften them enough to enable the fittings to be inserted. Is it standard to have 15mm pipe and 13mm fittings, like is the inside diameter of the 15mm pipe 13mm hence 13mm fittings. I bought all the stuff from the same place, so assuming they sent the correct stuff. It doesn't seem that safe to use as is, my feed system will be running along the floor of the upstairs room, so its important I make it leak proof. the fittings, despite only having one sealing ridge do have reasonably long shanks, so I'm thinking of fixing each pipe join with simple screw tight jubilee clips. Does that sound reasonable to you guys?

Also the inline filter designed for hydroponics, is it likely to reduce the flow significantly?

Instead of an anti syphon valve I'll be drilling a small hole near the top of the feed pipe inside the res to avoid syphoning.

Any help, advice or flaws spotted in my plan would be very much appreciated.

Thanks, Trev :tiphat:
 
Just bumping this thread as I'm building this irrigation rig now and really could do with some help if possible.

Thanks, Trev :)
 

azad

Buzkashi
Veteran
Im no drip Guru.. But Id say you got it pretty much worked out right. Its not so difficult as you've found..
Yes space the smaller drip pipes evenly along the 16mm pipe..i don't use a filter cos I dtw.My res is lower than my pots so I don't get any siphoning probs.
The filter and corners wont make much difference to preassure.Maxijet pumps rock.
ive just looped the 16mm pipe in a circle previously without corners, just 1 tee and had no probs.
 
Im no drip Guru.. But Id say you got it pretty much worked out right. Its not so difficult as you've found..
Yes space the smaller drip pipes evenly along the 16mm pipe..i don't use a filter cos I dtw.My res is lower than my pots so I don't get any siphoning probs.
The filter and corners wont make much difference to preassure.Maxijet pumps rock.
ive just looped the 16mm pipe in a circle previously without corners, just 1 tee and had no probs.

Thanks Azad, I'll also check the link you sent me later this eve. :tiphat:
 
It seems odd, but today my feed system took twice as long to feed the plants to run off. It definitely isn't that the plants were dryer or anything, the drippers were all running much slower.

I'm not sure if it could be the pump not working as well or not, I'm going to try and establish that shortly.

The other thing is that my 225ltr res was quite low and wondering if the pressure of a fuller res gives the pump an easier time, but I didn't notice it on other occaisions when it had been on the lower end of the res.

Mmm, a bit puzzled. I do use ATACLEAN which is a solution added to avoid salt build up, and I'm not seeing any salt build up on the standard hoselock adjustable drippers.

There's always something to be sorting out on this grow it seems.

Trev
 

azad

Buzkashi
Veteran
Hi Trev.
The amount of water in the Rez shouldn't make a diff to the pressure of the pump. How deep is your rez ??

The pumps pressure is reduced by the amount of lift out of the rez and the length of pipe used.

game on
 
Hi Trev.
The amount of water in the Rez shouldn't make a diff to the pressure of the pump. How deep is your rez ??

The pumps pressure is reduced by the amount of lift out of the rez and the length of pipe used.

game on


The res is about a meter deep, maybe very slightly more, The pump is a powerful garden fountain pump, doesn't usually struggle to lift this height. I did find a very small leak from a spigot connecting one of the drippers to the main feed ring, but hardly anything really, just a slight puddle around the base of one of the tanks, nothing that wouldn't soon evaporate so it isn't a significant enough a leak to cause pressure downage. It'd be the equivalent to less than adding another drip line to the ring. I've got another pump to try tmro, though its only 1 meter lift, but I can drop it into the res about half way down to test the rig.

Thanks mate, Trev:tiphat:
 
Actually, the new pump may well be adequate as the res is under 80cms high, I just measured it, so its well short of a meter. Its odd that, I always think my dick is a bit bigger than it actually is too. ;-)
 

azad

Buzkashi
Veteran
Cool mate, Your rez is a good height,, try the new pump and see how it goes. Let us know if it does the trick.. Fingers crossed !!
 
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