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Complete Diy Undercurrent Rdwc Instructions

  • Thread starter Thread starter heisen
  • Start date Start date Aug 23, 2018
  • Tagged users Tagged users None

Complete Diy Undercurrent Rdwc Instructions

heisen Aug 23, 2018 143 Replies 108,480 Views
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natedowg2000

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May 8, 2024
#141
heisen said:
Here are the plumbing parts you will need.This list is for a 12 bucket system,If you wish to build a 4 or an 8 these parts will not change as you will still need all of these on this list.The only thing that changes is the amount of bulkheads and buckets.For an 8 bucket you will need 9 buckets,18 bulkheads,
A 4 bucket for a 4x4 area you will need 5 buckets and 10 bulkheads ETC.


You will need 1 of these in 1 1/2" PVC

View attachment 834884





You will need 4 of these in 1 1/2" SCH 40 PVC
View attachment 824847

You will need 1 of these in 1 1/2" schedule 40,to 3/4 inch.This is a reducing bushing.Its a slip in for the 3/4 inch.Dont get the threaded one.

View attachment 824849


You will need 1 of these,This will be for the return line back to your EPI bucket.Get this in 3/4 inch.Also this is perfect for attaching the water hose to that goes to your epi,Ill get into that later.
View attachment 824851

You will need 2) 10 foot 1 1/2 inch pipes and 1) 3/4 inch 10 foot pipe.
View attachment 824853

You will need 1 of these, 3/4 inch adapter,This is where your hose will screw into that goes to the water pump.Its the same as the street elbow above it just doesnt have the 90 degree turn.
View attachment 824854

You will need 1 of these for your top off RES,Get this in 1/8 .Its made for 1/4 inch hose line.I just use the black air hose line that pushes in.
Here is the actual part


View attachment 824855
A rubber washer and this to screw onto the other side.




You will need a can of this,Because the bulkheads are ABS PVC and the PVC is sch 40 you need to use this


And a can of purple primer.You dont have to prime it but i do.


I will update later with a video going over the parts and the first part of putting this all together,
Click to expand...
Looks like the photo of the product for the abs to sch 40 is no longer there, what was that product?
 
Quote Reply
R

RedShamanGenetics

Posts
2
Joined
Nov 1, 2024
Points
1
Nov 1, 2024
#142
heisen said:
Here are the plumbing parts you will need.This list is for a 12 bucket system,If you wish to build a 4 or an 8 these parts will not change as you will still need all of these on this list.The only thing that changes is the amount of bulkheads and buckets.For an 8 bucket you will need 9 buckets,18 bulkheads,
A 4 bucket for a 4x4 area you will need 5 buckets and 10 bulkheads ETC.


You will need 1 of these in 1 1/2" PVC

View attachment 834884





You will need 4 of these in 1 1/2" SCH 40 PVC
View attachment 824847

You will need 1 of these in 1 1/2" schedule 40,to 3/4 inch.This is a reducing bushing.Its a slip in for the 3/4 inch.Dont get the threaded one.

View attachment 824849


You will need 1 of these,This will be for the return line back to your EPI bucket.Get this in 3/4 inch.Also this is perfect for attaching the water hose to that goes to your epi,Ill get into that later.
View attachment 824851

You will need 2) 10 foot 1 1/2 inch pipes and 1) 3/4 inch 10 foot pipe.
View attachment 824853

You will need 1 of these, 3/4 inch adapter,This is where your hose will screw into that goes to the water pump.Its the same as the street elbow above it just doesnt have the 90 degree turn.
View attachment 824854

You will need 1 of these for your top off RES,Get this in 1/8 .Its made for 1/4 inch hose line.I just use the black air hose line that pushes in.
Here is the actual part


View attachment 824855
A rubber washer and this to screw onto the other side.




You will need a can of this,Because the bulkheads are ABS PVC and the PVC is sch 40 you need to use this


And a can of purple primer.You dont have to prime it but i do.


I will update later with a video going over the parts and the first part of putting this all together,
Click to expand...
I recommend these bulkheads from PA Hdyroponics. They are in 2" and 3" sizes.

Current Culture UC Spin-Tight Bulkhead 3in (FREE SHIPPING on 2+)

PA Hydroponics is central PA's largest and most well-stocked hydroponics and indoor gardening store offering a great level of service, quality of inventory, and expertise. We ship anywhere in the United States and have everything you need to keep you growing.
shop.pahydroponics.com

Current Culture UC Spin-Tight Bulkhead 3in (FREE SHIPPING on 2+)​

 
Quote Reply

American_Agriculturist

Posts
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342
Joined
Feb 14, 2024
Points
53
Dec 31, 2024
#143
After 8 years of growing in coco, I’m currently building this now for my next run, and after the first run, if all goes well, will turn the whole flowering room into RDWC
 
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jaybirdee

Posts
26
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45
Joined
Dec 13, 2025
Points
13
Mar 9, 2026
#144
Where can I get the R13 / Plastic Wrapped Insuyllation or is there a "new & Improved Vesion here in 2026?
Thanx, Jay
 
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Thread info

Replies 143
Views 108,480
Started Aug 23, 2018
Latest post Mar 9, 2026
Starter heisen
Forum DIY Farms

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