Build difficulty not enough air maybe?

[Cherry__675]

I’m trying out growing for the first time it’s my second week this setup is from a book that I read. It uses irrigation sprayers and a water pump to recirculate the water like a low pressure aeroponic system. I’ve noticed that my plants have started acting strangely and am currently running under the assumption that it is due to insufficient aeration. Images of the plants + their roots are linked If anyone has any corrections in terms of diagnosis that would be greatly appreciated.

My current plan to help with aeration is to add a Venturi right after the pump to aerate the water being sprayed i also am most getting an air pump to see if that helps also.

If my conclusion/ plan for resolution is dumb please let me know I’d appreciate some help as this is my first time experimenting with hydroponics and I don’t know very much as of now. I can link a YouTube video with the same type of setup I found while researching that’s made for tomatoes and provide more images of the plants thanks everyone for reading the post i appreciate it thanks.

( not too sure how to tag sorry)

 

[Observer]

Are you using calcium nitrate right now?

 

[Observer]

A Venturri might be beneficial but it's not the problem

 

[Observer]

I increased the temp to around 75 F I’m not too sure about RH and the ppfd is around 300 I can increase it to about 1000 ppfd at max power and i have some supplemental lights to push it a bit higher for during flower if needed I’m using the master blend mix based off their mixing instructions so I’m not too sure about ratios

but it’s what I was told would be good for cannabis

The growth system Plays an important/big role on what's needed, the plant will show you.

 

[Observer]

Yeah its on my tiny phone and well you all know how i type on that. And my spell correct doesn’t speak English either

Tired of typing on this Damn phone too
PC out of commission rn lol

 

[Aqua Man]

Also here’s an update after turning up the heat if anyone is curious I’m gonna use some ph down since the ph changed to about 6.6 and the ppm hasn’t changed since yesterday

You probably need to add a buffer the carbonate level in your water is low… not a bad thing

 

[Aqua Man]

Oh I’m using citric acid for ph down lol

Might just have to do a system flush to get rid of any nutrients that haven’t been taken up since the ppm hasn’t gone down for about a day would you think that’s reasonable?

Thats your problem… citric is no good in hydro. It breaks down fast and of gasses as co2z

Citric acid reacts with bicarbonate

 

[Aqua Man]

300 ppfd is too high for them too

Mine around 100-150 and showing light stress but that also involves the environmental variables and light hours, DLI, and spectrum, VPD.

That is also contributing to why they are curling down and away, the light is too intense for their young selfs.

100% ^^^

 

[Cherry__675]

Get some 85% phosphoric acid bro lol


I'm broke and in a bad spot right now, the citric acid was cheap and easy for me to get and goes a long ways


Apparently it's a chelator too, so use both

Lmao I’m broke asf myself I’m a college student I’m essentially just using whatever money i have left over after buying myself groceries to pay for this I’m using the gecko grow master blend bc I found 5kg of dry mix for about $40 the only nice thing i have in my setup is my grow light

 

[Cherry__675]

Thats your problem… citric is no good in hydro. It breaks down fast and of gasses as co2z

Citric acid reacts with bicarbonate

shit i guess I should use something else then.

 

[Observer]

Pppppppml

shit i guess I should use something else then.

Yea......its cheap and good as a chelator supposedly, but not very good for stable pH range over time

 

[steamroller]

Welcome to Bud Builders. ^ This is what you want^.
Phosphoric acid.

 

[Aqua Man]

shit i guess I should use something else then.

Local grow store probably has generic or decanted phosphoric acid for like $5-10 just shop around. Much better and will last you

 

[Cherry__675]

Are you using calcium nitrate right now?

Calcium nitrate and magnesium sulfate

 

[Cherry__675]

Local grow store probably has generic or decanted phosphoric acid for like $5-10 just shop around. Much better and will last you

Smart I’ll look for one thanks

 

[Observer]

Calcium nitrate and magnesium sulfate

I don't think you need the Calcium nitrate right now, or atleast a very low ppm of it, like 10-50

 

[Aqua Man]

I don't think you need the Calcium nitrate right now, or atleast a very low ppm of it, like 10-50

Its a blend the cal nitrate is the only source of Ca and N in that mix. yeah lower dose

 

[Cherry__675]

3rd day update bottom leaves are slightly yellow but everything else seems to be improving thanks everyone for their help I appreciate it

 

[Cherry__675]

Its a blend the cal nitrate is the only source of Ca and N in that mix. yeah lower dose

With my current mix my nutrient ratio is roughly 3-1-4 is that fine?

 

[Aqua Man]

With my current mix my nutrient ratio is roughly 3-1-4 is that fine?

Yup that will work for now.i like a 2-1-3 bit higher P for Veg. 3-1-4 is for transition and the 2-1-4 after 3 weeks of flower to the end.

Thats a general plan i use

But that will work the entire grow and it can be slightly different depending how the genetics are.

 

[Cherry__675]

Yup that will work for now.i like a 2-1-3 bit higher P for Veg. 3-1-4 is for transition and the 2-1-4 after 3 weeks of flower to the end.

Thats a general plan i use

But that will work the entire grow and it can be slightly different depending how the genetics are.

Oh the strain is pink cookies would that affect what ratio I should use?

 

[Aqua Man]

Oh the strain is pink cookies would that affect what ratio I should use?

Couldn’t tell you never grown it and there are different phenotypes from seed. If you atay in those ratios the chances of seeing any issues is almost 0.

 

[Cherry__675]

Day four update issues seem to be fixed thanks everyone for your help I really appreciate it