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hydroponic ebb and flow, in... terracotta?

Posted by pjules nyc (My Page) on
Fri, Jan 2, 09 at 23:21

hi everybody - this is my first post but thanks already to everyone for all the great info i've gotten from the forums as a planting voyeur.

so i'm building a hydroponic ebb & flow garden not unlike the one by hydro ron that everyone's seen, with the pvc pipe and inverted 2L soda bottles. i'm a little skeptical about the bottles for a couple of reasons - they seem pretty flimsy for starters, and they look, well, kind of like cut-off 2L soda bottles; additionally, that setup seems only to work if you use 1" sdr (sld [sic]) 26 pvc, a product which, in the whole wide capitalist world, only ron himself seems to have access to. i mean, if google shopping doesn't have it... anyway. i digress.

so here's why i'm posting. i'm pretty confident, being an experienced jury-rigger, that i can manage to attach a regular and far more attractive clay pot to my (widely available schedule 40) pvc fixtures, and waterproof the seal. there will be a small pipe coming up into the bottom of each pot to flood it (and then drain it).

two questions, then. one: do you think that the terracotta, being flooded with water for 30 minutes of every hour, would deteriorate at any point? i'm not worried about replacing the pots after maybe a couple of years, but this setup is going on top of a short bookcase (i live in manhattan; really, this is the only spot i have), and i don't want clay pebbles and shards and water and juicy ripe tomatoes falling all over the place after three months.

two: assuming it didn't deteriorate, would the terracotta transpire so much that the nutrient solution would concentrate and/or leave mineral deposits very quickly, causing me to have to flush the system more than, say, once a month?

i suppose if either condition is likely i could just line the pots with some heavy plastic sheeting, or just buy glazed pots. i'd really prefer, however, to use regular, unlined, unglazed, inexpensive, good-old clay pots, if i can get away with it.

any thoughts?

thanks!


Follow-Up Postings:

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RE: hydroponic ebb and flow, in... terracotta?

Hi,
I actually built a system like this, but rather than using soda bottles I used plastic plant pots for the plant sites. I just posted directions on my website http://www.alternative-innovation.com
Scroll down and click on the pic link on the left
I found the soda bottles, although an awesome way to recycle, very unappealing for many reasons. I settled with plastic pots because it is UV resistant, lasts a long time, easy to work with ie drill/cut and glue, its water tight and looks pretty nice.

As far as terracotta, it was my first choice but its very hard to drill or widen the holes, and after a while the mineral buildup stains the pot. Its not pretty when this happens. It will hold water but is pretty porous and you will lose a lot of nutrient through evaporation. I find it a bit to fragile as well.

Good Luck with your project Hope all goes well.

Here is a link that might be useful: AlternativeInnovation


 
 

 

 


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