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Looking for a diagnosis

My tap water's PH is about 6.3. But it doesn't seem to react to PH Down as advertised. I'm going to do some testing to confirm my suspicion. My tank holds 3.5 gallons. My expectation is if I add 1 ml per gallon, adding 3.5 ml to my 3.5 gallons should reduce my PH by 1 full point. Unfortunately, that is not how the tap water I'm using is reacting. I will do some experimentation this evening and share the results.
 
Well folks, whatever the cause, I really shocked my plants very badly. Whether it was too much PH Down, nutrient buildup or any of the other causes suggested. So I'm flushing now with plain water in an effort to initiate recovery. I hope that they are as resilient as they were when they were younger.

Lessons learned by a first time grower.
 
Yep another thing to take into consideration. All supplements and nutrients are acidic so I've come up with a rule. "If you are measuring ph down in ml instead of drops. Something is wrong"
 
I wouldn't know cause I use diatomaceous earth mixed in the soil so plenty of silica there. Thanks for the clarification :)
 
Info-storm!!
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Yes. Let's say you overfeed for a cupple of weeks. At first you will notice a few burned tips. But its gonna get to the point where all the intake processes are disrupted due to the nutrient problem. Let's put an example. Too much nitrogen will darken up a plant and maybe claw a little bit the leafs.those are symptoms of a nitrogen toxicity. But by that time too much nitrogen could cause the plant to stop processing calcium or potassium. As a symptom too. And that deficiency it's gonna block some other nutrient. So the main overfeeding with nitrogen cause the entire system to collapse like a chain reaction. You end up with a stunned plant that's gonna need time to recover and iníciate nutrient intake again. To this mess we call lockdown. One main problem is gonna affect everything else and the plant will stop all processes.
 
And here is what i had saved on my pc,dunno where it's from but that's what i saved and that means that is what i wanted to go with after researching,excuse my generality but im going through so much info at so little time lol....

Nutrient lockout happens when your plant can not access specific, or all nutrients in the growing medium, this is due to a chemical reaction within the medium/solution which prevents nutrients from being absorbed by the roots.

Aged nutrients can precipitate in the bottle, causing some of the ingredients to become solids or even evaporate, the same problem may also occur in the growing medium.

Lockout will display the same symptoms as nutrient deficiency; to help control this problem dispose of old liquid feed containers as you would old medicine and use fresh nutrients from a bottle that has been recently opened.

The following points can also be responsible for nutrient lockout.

PH is incorrect or fluctuates.

Single pack hydroponic solutions.

Salt build up.

A chemical reaction between 2 or more nutrient
solutions that are mixed together.

For acute deficiency symptoms caused by toxicity and nutrient lockout a first Aid program should be immediately administered.


Step 1)
Leach the plants roots and growing medium using a professional leaching agent to thoroughly leach away metals, calcium, sodium, chlorides, sulphates and many other compounds, which can build up in the growing media.

Step 2)
Feed with 1/4 strength high quality complete plant food mix along with a high quality vitamin B-1 product such as Superthrive (1 drop per gallon).

Step 3)
Spray a professional stay green formula on the leaves. After 24hrs, spray the leaves with a quality vitamin B-1 product.
Feed at 25% of recommended fertilizer dosage until first signs of growth.
Click to expand...
 
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