h4ppyf4rmer
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yes, I only use the three parts. The other think I do (especially in the warmer weather) is I add 70ml of hydroguard about every couple of weeks or so, and when I do a res change. My whole system at full water capacity is about 40 gallons.Not bad! Pretty decent plan! Do u just use the 3 part, or do you use the rest of the GH line in the feed schedule?
Also your starting ppm of your tap is 225,, he said his was 800 :(
Thats crazy high...
What size water pump you using?I don't know if I can help, but, here's what I do:
I have a six 5-gal bucket RDWC system with a 40-gal res(only uses about 20-gal in the res), The only time I change the res is when I'm changing nutrient ratios or I've gone beyond 6 weeks without a change. Ive read so many different opinions about when to change the res. I've read everything from "I change the res twice a week" to "I never change my res except between grows". so what works for me is about 3 changes for the whole grow cycle. when I top off, I usually just top with tap water. when the EC drops, I add nutes to keep the EC level where I want it for the appropriate grow phase.
example:
my tap water is .45 ec or 225 on the .5 ppm scale
I use the GH 3 part flora series (gro, micro, bloom)
1. for the first 3 weeks of veg I use(on the current grow) 3g:2m:1b at a 1.0 ec or 500ppm (very light on the nutes)
2. after 3 weeks, I bump up the nutes to 1.4ec (700 ppm)
3. at the 6 week mark(start of bloom, light cycle change), I change the res and start with a 1g:1m:1b ration at around 1.6 ec (800ppm), only for 2 weeks.
4. at the 8 week mark(two weeke into bloom), I start using a 1g:2m:3b to increase my ec to 2.0ec (1000 ppm)
5. at week 12 (6 weeks into bloom) I change res and and add add 1g:2m:3b to get back to my 2.0ec (1000ppm)
6. roughly 2 weeks before I think I want to harvest, I stop adding any nutes and just keep topping off with just water.
note 1: I always top with just water and adjust the nutes after topping off the res.
note 2: when I change the res, I'm never empting the whole system, when the res is empty, the buckets still half full.
note 3: I think this cycle, instead of just stopping the nutes on the last two weeks, I'm going to change the res with just water to help the plants use up the stored nutes in the leave more
note 4: keep in mind, I tend to run my nutes kind of light compared to others, but I haven't had an issue with staving plants yet. More nutes does not mean bigger plants, appropriate nutes means healthy plants };-)
I hope this helps a little };-)
Well i dont think this method would work if you were running thier whole line.yes, I only use the three parts. The other think I do (especially in the warmer weather) is I add 70ml of hydroguard about every couple of weeks or so, and when I do a res change. My whole system at full water capacity is about 40 gallons.
yeah, ppm of 800 is pretty high. if none of what is making it 800 ppm is harmful to the plants, you have to adjust the nutes ppm accordingly
example:
my starting PPM is 225, I stated my first 3 weeks I used a ppm of 500, that means my nute ppm is really 275. so if he were to follow exactly what I do, his ppm would be 800 + 275 = 1075 and so on... GH also has a flora micro for high PPM, basically has less or no cal/mag in it.
What size water pump you using?
Well i dont think this method would work if you were running their whole line.
Ive spent 2500 on my stuff, another 100 for an ro setup was a easy decision for me after 6 moths of buying water at kroogers! Works awesome and it didnt do shit to my water bill
Correct you dont need them! But with them i went from 2k a # to 2700 a #I'm currently using a 400 gph pump
yeah, I'm just not convinced that RO water is an absolute must have, but my tap water isn't too bad as far as ppm. My tap water pH on the other hand is between 8.5 and 9 so I use a lot of pH-down ... now, if I had 800 ppm water, I might be considering an RO setup if my grow wasn't looking healthy };-)
I'm also not convinced that you need all the different nute suppliments that all these companies are putting out. N P K is all you need to grow and some elements like cal, mag, mang, IF you have a deficiency. These are just my opinions, seems to work for me
Correct you don't need them! But with them i went from 2k a # to 2700 a #
They do help! A lot! with taste and smell!
Also I'm running c02 and my plants need everything they can get optimized! If you spent enough money to buy a rdwc, then you deserve to give them everything they want, not just the basics that they need... just my thoughts
But your right i just used the 3 part for 6 months with decent shit.
Did you diy your rdwc unit? Im all about diy,,well, I didn't buy my rdwc so that was pretty cheap, but I know what you mean. My second grow will be using my new grow tent with lots of COBs so we'll see how that improves things, I only got about two ounces per plant my first run which I know is low. after I use my bloom tent and see what the results, I'll be looking for my next improvement. I highly doubt I'll be using CO2 though, I'll always only have 6 plants in the bloom tent.
Im gonna go check it out..yep the thread is in the DIYfarm section: https://www.thcfarmer.com/community/threads/diy-upswell-rdwc.89182/
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