First time rdwc

Chrissa

Chrissa

Well-Known Member
I'm used to running dtw coco system just wondering when ur mixing your nutrients do u mix for the volume of all the containers including resivoir or just for the volume of your resivoir
 
ҖҗlegilizeitҗҖ

ҖҗlegilizeitҗҖ

Well-Known Member
Chrissa

Chrissa

Well-Known Member
Ok another question, sorry guys im newbie for rdwc. Should I always keep the ph at a set point or is the gradual increase from 5.5 to 6.3 ok. Im asking because I have a ph controller doser so should I set it to certain ph and let it do its thing or should I run it on a timer so that it only turns on once a day.
Also let's say I do a water change and I have a e.c of 1.2 and then 24 hours later my e.c is at 1.0 and 10% of water is gone, do I top off water and raise the e.c back to 1.2 or do I just top off and ph the system?
 
ҖҗlegilizeitҗҖ

ҖҗlegilizeitҗҖ

Well-Known Member
Chrissa said:
Ok another question, sorry guys im newbie for rdwc. Should I always keep the ph at a set point or is the gradual increase from 5.5 to 6.3 ok. Im asking because I have a ph controller doser so should I set it to certain ph and let it do its thing or should I run it on a timer so that it only turns on once a day.
Also let's say I do a water change and I have a e.c of 1.2 and then 24 hours later my e.c is at 1.0 and 10% of water is gone, do I top off water and raise the e.c back to 1.2 or do I just top off and ph the system?
Click to expand...
I have read PH swing is good because it allows the plant to pick up nutrients at different levels, but I also have a doser and have seen research showing that plants grow best at a steady PH. So my doser is running 24/7
In addition, here is a handy flow chart for hydro feeding
Screenshot_20201117-112135_Chrome.jpg
 
GBAUTO

GBAUTO

Well-Known Member
Chrissa said:
Ok another question, sorry guys im newbie for rdwc. Should I always keep the ph at a set point or is the gradual increase from 5.5 to 6.3 ok. Im asking because I have a ph controller doser so should I set it to certain ph and let it do its thing or should I run it on a timer so that it only turns on once a day.
Also let's say I do a water change and I have a e.c of 1.2 and then 24 hours later my e.c is at 1.0 and 10% of water is gone, do I top off water and raise the e.c back to 1.2 or do I just top off and ph the system?
Click to expand...
I've grown in RDWC for 5 years now and I've had good success bumping the ph from 5.5 to 6.5 over the 10-14 days between rez dumps.
I also use the same water meter to make sure that I'm adding the proper amount of nutes.
I usually only need to add water to keep the ec where I want it between dumps.
I've been running Jacks 3-2-1 for a couple of years and the plants are quite happy @ 1.6 ec.
Ultimately, I let the plants tell me if I need to adjust the feed strength.
 
Chrissa

Chrissa

Well-Known Member
Awesome thanks, for the water meter should this be installed at the fill port site so when initially filling the system u can get measurement of how much water it took to fill your system thus telling u total volume of water in system after fill
 
GBAUTO

GBAUTO

Well-Known Member
I used the meter to determine the total amount of water the system holds when it's at the proper level in the totes.
I mark the side of the tote at that point and use that as a reference to gauge how much water they have used.
Between dumps, I just use a 5 gal bucket to top off and monitor ec for any adjustments.
 
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