Grow diary featuring my irrational obsession with Hawaiian strains

[TerriR]

Are you PH'ing plain water or a nutrient mix?

I add calmag and a tiny amount of masterblend. I have well water with 8.0+ as normal pH. I also have an RO filter and have used that. I also tried with distilled water but I just suck at it...and the pen seems to jump all over...goes from a lot too high to a little too low...so I add more water and then it’s way too high again. dying here...

 

[Rootbound]

I add calmag and a tiny amount of masterblend. I have well water with 8.0+ as normal pH. I also have an RO filter and have used that. I also tried with distilled water but I just suck at it...and the pen seems to jump all over...goes from a lot too high to a little too low...so I add more water and then it’s way too high again. dying here...

So you are not adding any more nutrients to the water before you use it. Really tough to ph ro water with just a little calmag.

 

[TerriR]

So you are not adding any more nutrients to the water before you use it. Really tough to ph ro water with just a little calmag.

Masterblend is a nutrient. Should that alter the pH? Can you direct me to instructions? Seems simple but I am not finding it so. thanks!

 

[Rootbound]

Ok. Sounds like you are using to much ph up/down at one time. I keep my ph up/down in bottles that have a dropper type top on them. One drop in a gallon of nutrient water normally raises or lower it by about .2

 

[TerriR]

Ok. Sounds like you are using to much ph up/down at one time. I keep my ph up/down in bottles that have a dropper type top on them. One drop in a gallon of nutrient water normally raises or lower it by about .2

bingo! I measured with a spoon. OK so I just mixed up a gallon of distilled with calmag and masterblend...i read that it should sit 24 hours before using so I will adjust the pH then...with drops not tsp. thank you!

 

[Beachwalker]

Masterblend is a nutrient. Should that alter the pH? Can you direct me to instructions? Seems simple but I am not finding it so. thanks!

I've been using master blend for about 4 months, still getting used to it but if can I answer any questions I will

I think you're asking does it lower pH yes my pH is 8.9 & when I mix the master blend as directed it's 6.3

 

[Beachwalker]

1 gallon recipe:

Hope this helps, if you have other questions I can only tell you how I'm using it but it's working very well for me


One last thing, you can mix the master blend and the magnesium sulfate together

but you can't mix the Cal nitrate with it

you have to dissolve the master blend and magnesium in water first

and then mix the appropriate amount of calcium nitrate into the solution last

 

[Seraphine]

For coco coir. My water pH is about 7.8 out of the tap. After I add my masterblend nutrients (veg and flower have different formulas) that’ll bring the bring the pH down to about 6.8-7.0. I then add anywhere from 2.5ml to 4ml of pH down to get my pH 5.8-6.2. I test with pH pen. It’s better to add a little at a time than add to much and have to fix it.

 

[TerriR]

thanks everyone! so here is my plan...I just filled a gallon jug with ro...added 1/4 t tomato/veg mb, shook it til dissolved; added 1/8 t magnesium sulf, shook til dissolved; added 1/8 t calcium nitrate, shook til dissolved. This is for tomorrow so I will add 1/4 t calmag and then pH it before use. does that sound correct?

 

[Rootbound]

bingo! I measured with a spoon. OK so I just mixed up a gallon of distilled with calmag and masterblend...i read that it should sit 24 hours before using so I will adjust the pH then...with drops not tsp. thank you!

Only time i let mine set for 24 hrs is when I used tap water. It helps let the chlorine dissipate.

 

[Rootbound]

It wont hurt to let it sit for 24hrs though. I do let mine set for an hr before checking my ph.

 

[Rootbound]

Your plants look very healthy btw

 

[TerriR]

Your plants look very healthy btw

just fumbling my way around...learning from everyone here!! An old friend used to say “ even a blind squirrel finds a nut every now and then”

 

[Rootbound]

just fumbling my way around...learning from everyone here!!

You came to the right place. Lots of good info and members here!

 

[Beachwalker]

thanks everyone! so here is my plan...I just filled a gallon jug with ro...added 1/4 t tomato/veg mb, shook it til dissolved; added 1/8 t magnesium sulf, shook til dissolved; added 1/8 t calcium nitrate, shook til dissolved. This is for tomorrow so I will add 1/4 t calmag and then pH it before use. does that sound correct?

I measure mine on my digital scale I don't know how much it is by the teaspoon?

But I have everything right here let me see if we can find out what a quarter teaspoon weighs

1 level quarter teaspoon of masterblend is about 1 gram

 

[TerriR]

I measure mine on my digital scale I don't know how much it is by the teaspoon?

But I have everything right here let me see if we can find out what a quarter teaspoon weighs

View attachment 891775


1 level quarter teaspoon of masterblend is about 1 gram

so half strength...I am ok with that. Guess I need a scale now.

 

[TerriR]

Does everybody flush when using coco? if yes, how often?

 

[TerriR]

I think these pakalolo are ready to flower...3 gal pots. Maybe a small crop but hey, I don’t even know if they are female

 

[TerriR]

In case they are female, I cloned the cuttings when I topped them

 

[TerriR]

hey @Seraphine! question for you: when these go to flower, do I just continue the 3 part MB? or is there some need for a bloom nutrient? they are in coco...my first time