VAULT DWELLERS SERVED

Saturday, March 17, 2012

Drilled Holes For Hydroponics Pipe

Holes drilled in PVC
Took me about 15 minutes to drill the holes, then another hour to sand them all down and get rid of the plastic chaff.

The PVC has to be scrubbed clean and have some hydrated lime run through it to off-gas the surface and make it safe for growing food in. Will be getting to this next day or so.

9 comments:

Anonymous said...

Can I assume the hydrated lime is to get rid of any toxic residues from manufacturing the PVC pipe?

eric in singapore

Anonymous said...

5 0 0 0 0 0

Texas Arcane said...

Yes. It took me five years of research to discover PVC was safe to use in hydroponics if it was first "bleached out" with limewash.

Anonymous said...

You can buy lye in sacks from Univar. Warehouses in most cities but not apparent. Australia too I'd guess.

Univar Australia Pty. Ltd.
PO Box 1005
Ingleburn NSW 2565
029-618-1588

ChadZ from Wisconsin said...

What size is the PVC and how big are the holes?

Texas Arcane said...

90mm PVC pipe, 75mm drill can to punch out the holes.

I've worked with a few other materials (wood, metal) building hydroponics setups and PVC is a dream to work with as long as it is safe to grow food in. You can do in PVC in a few minutes what takes you hours and hours of work to build in other materials. It is also mega cheap, easily scavenged and ubiquitous. Making replacements or building new layouts is not a big deal.

ChadZ from Wisconsin said...

Have you tried rain gutters? around here 10 foot sections of metal rain gutters come on sale for $2.

DroidT said...

Hello mr arcane, how you discovered that lime can make pvc safe for growing food?

DroidT said...

Hello Mr. Arcane. How you figured out that lime can make pvc safe for hydroponics?

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