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Your explanation is the first I have found which confirms my assessment that plants use waster at different rates than nutrients. Thus if a working solution is used to replenish the water loss, a too high a concentration will result in a very short period of time. Water without nutrients must be added and monitoring with an EC meter is necessary to keep the system at or about your target EC range. Measuring your fluid in the reservoir with the pump running risk misreadings. I have seen a 40O mc difference in readings with the pump on vs off. It is my recommendation to have a separate cup to hold the sample when taking a reading.
Nice Explanation 👌...but I feel you should have simultaneously shown pH .....if it is going up or down. That would make us see relationship between increase and decrease of EC
thank you sir. regarding calibration do we need to calibrate both ph and ec meter again and again whenever we put new solutions in hydroponic or one time calibration will do to test the solution every time we put in hydroponic.
There is no need to calibrate every time you will the reservoir with the solution. The calibration is done periodically to ensure we get the right readings. Older the instruments, more frequent calibration is required. More so with pH as it needs more care during usage and also during storage. hope this helps
Thanks for sharing. It's clear as to why to use EC over TDS meter and also how to increase or decrease EC of solution. My question is while we adjust EC, does other important parameters like PH of solution gets affected?
While you adjust EC, parameters like pH change. For that reason, pH is always done at the end. Also remember, pH adjust will technically change EC although marginally. That change we can live with as long as the added acid doesnt increase an individual element beyond its allowed range.
@@TheGeekgardener thank you so much for the information. It completely clarifies my question, with what needs to be done and more importantly why it should be done that way. Much appreciated. I am very seriously thinking of evaluating hydroponics. At first, in my private terrace of @ 1000 sft and on commercial scale after getting hold of it technically and commercial aspects of it. May I request for your e-mail id where i can catch up with you on one to one basis.
So I’ve been gardening for about 20 years and recently switched over to a nutrient line that has to be measured by EC. So here’s my question? Let’s say I’m using a nutrient line where there’s also additives. With Athena, here is the order you mix your nutes 1. Balance (is a silica additive) 2. Cleanse ( hypochlorous acid for keeping clean root zone) 3. Calmag 4. Grow A (same order with bloom) 5. Grow B 6. PK (when in bloom only) So here is what I don’t understand? I’m trying to get the EC of just the base nutrients or am I supposed to be measuring the EC of the entire solution? I’m assuming that all the additive are gonna make the EC reading rise when each is added? Can you explain how to read EC when there’s a bunch of additive incorporated with the base nutrient solution?
I just set up a hydroponic system with lettuce. I need to reduce EC from 1773 to a range of 800-1200. Also need to reduce Ppm to range between 560 to 840. The current reading is 894
So can can add more A/B to already mixed A/B? Yes? I've been growing for 15 years but new to using EC value (as opposed to ppm) and mixing in large reservoirs. I did not know (in all that time) you could add more A/B (separately of course) to an already mixed solution.
My guava 5 foot plants in the ground are flowering, they are full of little tiny guava fruit. Can I feed them floranova bloom from general hydroponics, bigbud from Advanced nutrients and carboload from Advanced nutrients?
Thank you so much sir 👍 I have a doubt here..... we are mixing equal quantities of solution A and solution B and then measuring the EC value. When the plant absorbs the nutrients the EC value will come down Generally nutrient solution A is NPK, if a plant utilised more quantity of solution A and very less quantity of solution B, but to restore the EC value if we mix A and B again in equal quantities then it will end up having solution A in less quantity and solution B in high quantity. is there any way that we can solve this?? Thanks in advance
Using the 3 -part nutrient kit, do you mix the three in your feeding solution then measure EC or do you measure the EC on each nutrient in water separate?
I use two part solution A and B. Solution C is acid. Generally our nutrient adjustment protocol is 1. Measure the solution EC, if its within range. Be happy :-) 2. If its above the range, add RO water till the ideal range is obtained. 3. If the EC is lower, then add equal parts of A and B in small increments until the right EC is achieved. After this pH is adjusted. Hope this helps
Sir, your knowledge and explanation is simply amazing. I have a small doubt. You were saying after adjusting EC to desired range, then ph should be adjusted. In large commercial hydroponics farm also do they follow this? Implies dosing pumps of EC adjust first after which dosing pumps of ph come into play later? Or both EC and ph dosing pumps run as per reading, please throw some light on the sequence followed in maintaining large commercial farm
For commercial farms, we use one solution (grow formulation) for all leafy greens and bloom formulations for all fruiting plants and rooting plants(potato, radish). For a home garden, we use general grow for all plants.
You know there is a perk I would love to see on the EC meters and that would be a tare button. Sure, I can do it in my head, but I could do that, just as well, on scales that have a tare function.
Thanks for the sub. I am working on a video oh pH and EC both usage and calibration of meters with standard solutions. Thanks for the suggestion and Stay tuned!
I adjust the EC every other day or as and when there is a reduction or increase in EC. If the tank volume is smaller, replacing it is easier and cheaper. For larger tanks, replacing or dumping the solution is not always an option since the cost is higher. For home garden, replacing the solutions once in 10 days will do. Instead of dumping the solution, I always use that to water plants in pots and in soil. They thrive well in these solutions.
@@TheGeekgardener Can you also do a video on how to adjust the PH ? Also how can we know what the desired PH and EC should be for any vegetable that we're trying to grow ?
Generally all meters are calibrated when shipped from factory. It is through continuous use, they require the calibration process to be done. All pH instruments require calibration
Again an excellent video that really helps in understanding the EC concept. Thank you so much for this. Looking forward to registering for any upcoming 2 day sessions.
Am a little bit confused why you refer to the best growth range of leafy vegetables as between 1200 t0 1400 ppm why not s/m,(1.2-1.4),I thought ppm is for TDS THANX AND MORE LIGHT ON THAT Good explanation though
I think you have misunderstood. In the video I meant that 1200-1400 microsiemens/cm which is 1.2-1.4 mS/cm. May I should have clearly mentioned the unit. Thank you for your question. I will clearly mention the units in future
The stock solution can be made for any nutrients. In the video, I have prepared for GardenGuru's General Grow nutrients. gardenguru.in/hydroponic-nutrients-india/194-general-grow-100-liters.html
Sir, in a youtube video I watched couple of weeks ago, it is mentioned that require EC value is different for different plants. If it is correct, please kindly share the EC value chart for different varieties of plants.
