PH raising to fast, to much PHdown (Nitrate base vs phosphoric base)

nonmeofthc

nonmeofthc

New Member
Bit of a neophyte to hydroponics...

Having a bit of an issue with the ph of my reservoir, I feel my ph rise is a bit to fast and I feel like I am adding way to much ph down to try and keep the ph level between 5.5 and 6.3.Adding over 6ml of ph down over the coarse of a week.

Currently using General Hydroponics PH down which is Phosphoric base, while I read the canna is a nitrate base and could stabilize better for my ebb and flow setup. (flood and drain recirculating)

Growing in Canna Coco, using Canna Coco nutes with RO water.

20 gal reservoir only filled to 10 using to following per Gallon:

7ml A+B, 5ml Rhizotonic, 3.3ml Cannazyme

Only have a few seedlings bout 9 days old, I have already completely refreshed my res once and I flushed the coco with a light ph balanced nutrient mix cause I was seeing burned tips on the second set of leaves (first true leaves have some damage as well where the leaf meets the stem), good news it the plants look to have picked back up (new growth looks good)

Ph'd down to 5.8 (took about 5ml) EC at 1.0 on sunday, I have since added 2 more ml of ph down as the ph rise is .1 to .2 a day (right now I'm back up to 6.1).

3x3 tent mars II 700 bout 24 inches above plants
Temps run 71 low when lights off to 81 high normally sits about 77.
RH is 40ish
Res temp hovers from 72-74

I am not using an airstone in the res and I stir the res daily (also thinking about getting a 2nd pump just to circulate the water in the res)

Flood a 2x2 tray once a day for about 15 mins

If I missed any other relevant info let me know I can elaborate further, any opinions are much appreciated!

Can provide pics if it would help!
 
nonmeofthc said:
Bit of a neophyte to hydroponics...

Having a bit of an issue with the ph of my reservoir, I feel my ph rise is a bit to fast and I feel like I am adding way to much ph down to try and keep the ph level between 5.5 and 6.3.Adding over 6ml of ph down over the coarse of a week.

Currently using General Hydroponics PH down which is Phosphoric base, while I read the canna is a nitrate base and could stabilize better for my ebb and flow setup. (flood and drain recirculating)

Growing in Canna Coco, using Canna Coco nutes with RO water.

20 gal reservoir only filled to 10 using to following per Gallon:

7ml A+B, 5ml Rhizotonic, 3.3ml Cannazyme

Only have a few seedlings bout 9 days old, I have already completely refreshed my res once and I flushed the coco with a light ph balanced nutrient mix cause I was seeing burned tips on the second set of leaves (first true leaves have some damage as well where the leaf meets the stem), good news it the plants look to have picked back up (new growth looks good)

Ph'd down to 5.8 (took about 5ml) EC at 1.0 on sunday, I have since added 2 more ml of ph down as the ph rise is .1 to .2 a day (right now I'm back up to 6.1).

3x3 tent mars II 700 bout 24 inches above plants
Temps run 71 low when lights off to 81 high normally sits about 77.
RH is 40ish
Res temp hovers from 72-74

I am not using an airstone in the res and I stir the res daily (also thinking about getting a 2nd pump just to circulate the water in the res)

Flood a 2x2 tray once a day for about 15 mins

If I missed any other relevant info let me know I can elaborate further, any opinions are much appreciated!

Can provide pics if it would help!
Click to expand...
You don't mention the EC except for once. What is the EC as the pH alters? What do you do to aerate other than stir? Because that isn't even close enough to sufficient.
 
hotrodharley said:
You don't mention the EC except for once. What is the EC as the pH alters? What do you do to aerate other than stir? Because that isn't even close enough to sufficient.
Click to expand...

EC wasn't mentioned more then once as the EC remains stable, I also clearly stated:
If I missed any other relevant info let me know I can elaborate further, any opinions are much appreciated!

Additionally I also stated I do not run an air stone and was thinking of adding a second pump to circulate the res water more often. The 20 gallon res only filled to 10 creates a water fall effect on the draining water in turn creating aeration. The flood process is as follows, 1 minute pump on 2 minutes pump off, and this repeats for about 15 mins creating plenty of aeration at least during the flooding.

With all due respect I would appreciate something a little more constructive, I was pretty thorough in the details, but now that I clarified the EC level remains stable as the PH rises do you have an opinion of value or is what I provided still insufficient for your knowledge set?
 
OK neophyte. Read. Rising pH means your plants are using the nutrients. It's OK to let the pH drift even up to 7 without worrying about it. You are likely having it rebound from trying too hard. Leave it alone for awhile and monitor both pH and the EC. Watch the plants and the roots.
 
This try hard hopes you got a hug today, appreciate your attempt, regardless of the condescension, you likely meant well. I am probably over analyzing my issue, as I have a tendency to do just that but, best of luck to yah!
 
Your not running a recirculating system with that are you.. canna coco is meant to be drain to waste . If it was recirculating u wud see e.c go down and pH go up when the plants are using nutrients properly so letting it rise all the way to pH7 wud of been somewhat allright...this is coco.. ph 5.8 ..not 5.5 ..keep it at 5.8 as best u can if it goes to 6.1 it's time to ph again.. the rhizotonic I've noticed likes to work that ph up quick.. r u following canna guide .. http://www.cannagardening.com/growguide... I followed this to a T on my first run got a pound. Tweaked it a bit on second got 18.6 ounces ..canna sells ph up and down....I don't use it but canna recommends u use the canna nitrate base during veg and phosphoric base during flowering period. This will keep the ph from rising as fast but it's still gunna rise..with an air stone your ph will rise even quicker in That res as it did for me I am purchasing a ph controller doser for this and a few other reasons..peace a respect
 
nonmeofthc said:
EC wasn't mentioned more then once as the EC remains stable, I also clearly stated:
If I missed any other relevant info let me know I can elaborate further, any opinions are much appreciated!

Additionally I also stated I do not run an air stone and was thinking of adding a second pump to circulate the res water more often. The 20 gallon res only filled to 10 creates a water fall effect on the draining water in turn creating aeration. The flood process is as follows, 1 minute pump on 2 minutes pump off, and this repeats for about 15 mins creating plenty of aeration at least during the flooding.

With all due respect I would appreciate something a little more constructive, I was pretty thorough in the details, but now that I clarified the EC level remains stable as the PH rises do you have an opinion of value or is what I provided still insufficient for your knowledge set?
Click to expand...

you sound like a real asshole. surprised someone as smart as you can't figure out how to grow a plant.
 
Another thing I forgot to add is to go www.cannagardening.com and research .. lots of people r gunna giv u advice on other types of hydro because ur mentioning a res with ph raising it's very easy to think ur talking about a recirculating system...and also because canna coco is very different from other coco and don't let anyone tell u different I failed until I realized this medium this style of hydro was very different than what I Thot or Was even used to
 
Chrissa said:
Another thing I forgot to add is to go www.cannagardening.com and research .. lots of people r gunna giv u advice on other types of hydro because ur mentioning a res with ph raising it's very easy to think ur talking about a recirculating system...and also because canna coco is very different from other coco and don't let anyone tell u different I failed until I realized this medium this style of hydro was very different than what I Thot or Was even used to
Click to expand...

Really appreciate your input man, yes I am recirculating. I am trying to replicate the setup I observed watching OG Vaders YouTube vids. As for Canna, I am following their feeding guide (actually going a little lighter) I too also read Cannas recomendation to use their nitrate base ph down for veg, kind of what lead me down this rabbit hole ( my local hydro store said they don't sell it in the states). I was able to gather from some more seasoned hydro growers that the amout of ph down I'm using isn't really that bad and I'm fine, just over analyzing. The girls new growth really took off and everything is looking good, that first little hiccup peaked my concern, but I think the res refresh and flush was the way to go.

In your setup are you flood and draining or doing a top drip? Also are you draining to waste? Again man appreciate your input , what you gave me was the kind of dialogue I was hoping for, respect!
 
nonmeofthc said:
Bit of a neophyte to hydroponics...

Having a bit of an issue with the ph of my reservoir, I feel my ph rise is a bit to fast and I feel like I am adding way to much ph down to try and keep the ph level between 5.5 and 6.3.Adding over 6ml of ph down over the coarse of a week.

Currently using General Hydroponics PH down which is Phosphoric base, while I read the canna is a nitrate base and could stabilize better for my ebb and flow setup. (flood and drain recirculating)

Growing in Canna Coco, using Canna Coco nutes with RO water.

20 gal reservoir only filled to 10 using to following per Gallon:

7ml A+B, 5ml Rhizotonic, 3.3ml Cannazyme

Only have a few seedlings bout 9 days old, I have already completely refreshed my res once and I flushed the coco with a light ph balanced nutrient mix cause I was seeing burned tips on the second set of leaves (first true leaves have some damage as well where the leaf meets the stem), good news it the plants look to have picked back up (new growth looks good)

Ph'd down to 5.8 (took about 5ml) EC at 1.0 on sunday, I have since added 2 more ml of ph down as the ph rise is .1 to .2 a day (right now I'm back up to 6.1).

3x3 tent mars II 700 bout 24 inches above plants
Temps run 71 low when lights off to 81 high normally sits about 77.
RH is 40ish
Res temp hovers from 72-74

I am not using an airstone in the res and I stir the res daily (also thinking about getting a 2nd pump just to circulate the water in the res)

Flood a 2x2 tray once a day for about 15 mins

If I missed any other relevant info let me know I can elaborate further, any opinions are much appreciated!

Can provide pics if it would help!
Click to expand...
You could solve the problem by using a drain to waste system rather than recirculated. It's a lot of trouble maintaining a nute solution in proper balance over a week or two. I do use the drainoff water again once or twice if the ppm looks okay. I wouldn't keep reusing it for a week or two though. Nutrients get depleted too quickly. You could also try Advanced Nutrients pH Perfect line of nutes. You supposedly don't need to adjust the pH at all. It's good that you don't aerate the water though, because it causes pH to rise, evaporates water from the tank and raises room humidity. Too many downsides. That's why I don't use DWC. I also don't like to have to change a big tank of nute solution. Easier just to mix up small amounts each day when the plants need it.
 
nonmeofthc said:
Really appreciate your input man, yes I am recirculating. I am trying to replicate the setup I observed watching OG Vaders YouTube vids. As for Canna, I am following their feeding guide (actually going a little lighter) I too also read Cannas recomendation to use their nitrate base ph down for veg, kind of what lead me down this rabbit hole ( my local hydro store said they don't sell it in the states). I was able to gather from some more seasoned hydro growers that the amout of ph down I'm using isn't really that bad and I'm fine, just over analyzing. The girls new growth really took off and everything is looking good, that first little hiccup peaked my concern, but I think the res refresh and flush was the way to go.

In your setup are you flood and draining or doing a top drip? Also are you draining to waste? Again man appreciate your input , what you gave me was the kind of dialogue I was hoping for, respect!
Click to expand...
BobCajun said:
You could solve the problem by using a drain to waste system rather than recirculated. It's a lot of trouble maintaining a nute solution in proper balance over a week or two. I do use the drainoff water again once or twice if the ppm looks okay. I wouldn't keep reusing it for a week or two though. Nutrients get depleted too quickly. You could also try Advanced Nutrients pH Perfect line of nutes. You supposedly don't need to adjust the pH at all. It's good that you don't aerate the water though, because it causes pH to rise, evaporates water from the tank and raises room humidity. Too many downsides. That's why I don't use DWC. I also don't like to have to change a big tank of nute solution. Easier just to mix up small amounts each day when the plants need it.
Click to expand...
This is correct u need to do a drain to waste hydroponic system with the canna coco u really need to listen to what we're saying if u want to grow properly go to www.cannagardening.com read about there coco and each individual nutrient additive ..they also have videos.. look for the canna coco info paper on their website ... and most of all stop recirculating that res drain that to waste that's ur biggest problem next to not researchin before u spent all that money
 
And your hydro store is wrong go to a different store or orDer online off of Amazon. Com if u don't have a credit card buy a prepaid one from a store

I mix up a 100 lite res with an air pump which pumps for 10 min before watering and during watering then shuts off when watering is done to prevent more ph rising and evaporation also have it on a timer to drip emit until there's 20 percent runoff the run off or w.e nessesary for my particular liking goes into a secondary container under the pot once my first pump stops my second pump turns on and pumps the drained water in the second container out I reuse this in my vegetable garden during the warm months and during the winter it drains completely to waste I have this for 1 week tops ussually I have been late on changing it a couple days but I aim to change every week as for ur ph rising this is going to happen but slower if u do as we said a good investment iMo if u don't like doing this that often is to buy one of these

http://m.ebay.com/itm/Milwaukee-MC1...osing-Pump-115V-only-/271917896818?nav=SEARCH

http://www.amazon.com/gp/aw/d/B00QV852OO?ref=olp_product_details
 
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