Calcium def not going away w/ calmag?

[Tommy Bahama]

Oh, and here's a tip about mixing the products. This is how Advanced Nutrients told me to mix things:
Put part A in your water and mix it. Wait 5 minutes.
Put part B in and mix it. Wait 5 minutes.
Add everything else. Technically you can put it all in at once, but I still like to add one thing at a time, waiting 5 minutes between each item.
Wait 5 minutes. Check your pH and adjust if necessary.

 

[karlkutta]

Um, not quite since you are growing in soil. While pH Perfect Grow/Bloom are fine nutrients to use with any medium, the 'pH Perfect" part of it is actually designed to get you a [close to] perfect pH when doing hydroponics.
Many people miss this little tidbit when reading the documentation about the product:

pH Perfect is such a potent technology that it can bring a pH of 8.7 down to 5.5 in a matter of seconds. Or, it can raise a low pH of 4.8 to 5.5 in the same time.

I use it with soil, but I use plenty of pH Up to bring my pH up to 6.5 after I am done mixing in all my nutrients and extra goodies. It's pretty consistently right at 5.4 after I'm done mixing everything up and before I start adjusting.

Yes you are absolutely right. I am in soil myself and do check the water usually after adding ask nutes just to be on the safe side.

So depending on what your water is too start with, you may be on one or the other side of the scale and it also depends how many nutes you are using. Clearly 1ml vs 4ml per liter, that offer a gallon, makes a big difference.

 

[Odissey]

Thanks for the tips guys. Thanks also for your detailed feed plan Tommy. I just mixed the nutrients in water and measured the ph and it was very stable at 6.2 so I think ph is not the issue. I also removed the reflector from the led to see if the problem was caused by too intense and focused lighting. Lets see if this solves the issue

 

[STILLSMOKIN]

Cheers everyone,

My plant has a problem which I am having a hard time diagnosing. I am doing a DP Think different in a micro tent (40x40× 80 cm) and I am using a cob cree led 55 w and growing in soil with Tangs easy schedule. Everything has been pretty smooth sailing until now. However, 1.5 weeks ago the plant started to exhibit brown spots on leaves, which I thought was a calcium deficiency, so I started using increasing amounts of AN CalMag. The problem is not going away though so I thought I should seek some help before it kills the plant (it is spreading quite fast). Here are some photos:
View attachment 1030060 View attachment 1030061 View attachment 1030062 View attachment 1030063

Thanks a lot for your help!

Do you have negative pressure when tents closed?

 

[rick-j]

Thanks for the reply! Oh wow I had no idea about this! I just checked the website and you are right. I wonder how Tang manages to get his impressive results then. And with the ph up you manage to avoid calmag issues?

I'm using Tang's auto easy feed schedule also, way different than below? He sure had some nice looking plant's??

 

[Odissey]

Do you have negative pressure when tents closed?

I believe so. I have cats (and therefore hairs everywhere) and when I open the tent the hairs are sucked in. Its a very small space, I think the pc fans can actually handle it

 

[Odissey]

I'm using Tang's auto easy feed schedule also, way different than below? He sure had some nice looking plant's??

And you have not experienced the mentioned issues? Are using LED as well? Can it be overwatering?

 

[STILLSMOKIN]

I believe so. I have cats (and therefore hairs everywhere) and when I open the tent the hairs are sucked in. Its a very small space, I think the pc fans can actually handle it

Its the leaves sweating on tent wall then.

 

[Odissey]

Its the leaves sweating on tent wall then.

Sorry, what do you mean?

 

[STILLSMOKIN]

Sorry, what do you mean?

When you zip tent its sucking walls in and smothering the fans causing them to sweat.