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Search: Posts Made By: GregoryJ
Forum: Hydroponics 03-22-2010, 04:58 PM
Replies: 3
Views: 6,873
Posted By GregoryJ
Tap water - Chlorine / PPM / pH

I'm working on growing some lettuce in a NFT system with 4" PVC pipe. My problem is when i change nutrients, I have a difficult time maintaining pH for the first couple days. The roots turn brown,...
Forum: Hydroponics 06-08-2009, 05:03 PM
Replies: 12
Views: 10,860
Posted By GregoryJ
brbubba - I know i could beat some of the $100...

brbubba - I know i could beat some of the $100 intermatic timers, and they would be much more customizable. I'll look into it and see if its feasable. If anyone is interested in knowing more about...
Forum: Hydroponics 06-05-2009, 02:36 PM
Replies: 12
Views: 10,860
Posted By GregoryJ
BrBubba - Thats not a bad idea. Would anyone...

BrBubba - Thats not a bad idea. Would anyone else on the forum be interested? I know i can certainly beat the $100 Intermatic timers, and provide more flexibility than all of the other digital...
Forum: Hydroponics 06-04-2009, 04:44 PM
Replies: 12
Views: 10,860
Posted By GregoryJ
kduck63 - welcome to the forum, pretty new...

kduck63 - welcome to the forum, pretty new myself. Yes Jupiter, FL. If you are ever on the east coast, let me know. I made the timers for my own projects but i am sure i could make one for you. ...
Forum: Hydroponics 06-03-2009, 05:21 PM
Replies: 12
Views: 10,860
Posted By GregoryJ
Engineer by education, I enjoy working on...

Engineer by education, I enjoy working on electronics projects as well. I have made several timers in the past that work very well, so i just expanded on the old one. The settings for on time and...
Forum: Hydroponics 06-03-2009, 12:48 PM
Replies: 9
Views: 7,264
Posted By GregoryJ
I'd prefer if you buy the inserts from Ron, but...

I'd prefer if you buy the inserts from Ron, but if you are stuck, i can send you some pvc. Lots of it down here in FL. Send me a private message or post here. Greg
Forum: Hydroponics 06-03-2009, 12:42 PM
Replies: 12
Views: 10,860
Posted By GregoryJ
GPSFrontier -thanks for the reply. My system...

GPSFrontier -thanks for the reply. My system fills in about 2 minutes, so I made a digital cycle timer and will try a setting of 2 on / 18 off for three cycles per hour. I liked your point about...
Forum: Hydroponics 06-02-2009, 12:31 PM
Replies: 12
Views: 10,860
Posted By GregoryJ
Optimum times for Ebb & Flow system?

Very new to hydroponics - I made the 11 bottle system and it works well. Tomatoes are growing. I've read that most people use the 15 min on/off timers, but is there an optimum time for soaking the...
Showing results 1 to 8 of 8

 
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