Check the winners The Grow Awards 2026 🏆
Start My Diary
Start My Diary
Log In
Start My Diary
Home
Diaries
Strains
Shorts
Questions
Contests
Growers
Seeds
Breeders
Nutrients
Equipment
Blog
English
Log In
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Back to Grow Questions
EC
Mr_Juice
started grow question 4y ago
friends. In the diary the data on the EC is in millisiemens yes - because microsiemens has a different designation. I only make sure that the data is correct.
Solved
Feeding. Chemical composition
likes
Chow_13
answered grow question 4y ago
Yes ec is mS/cm and the ppm conversion is using a .5 scale. MicroSiemens per cm is μS/cm Happy Growing
1 like
Complain
Selected By The Grower
Similar Grow Questions
Solved
CoosCanyonCannabis207
16-0-0 Need help with suggestions
I was wondering what the tolerance is on nitro levels in a compost tea? I found some pretty heavy stuff at work and was wondering if i could use it? its 16-0-0 any suggestions. It would be nice to be able to utilize this source of food. Thanks!
Week 7
Feeding. Chemical composition
4y ago
3
3
Solved
Luna91
I Need aGood Booster
Hey guys, I want to use a Booster for my 2 weeks Northen Lights Auto, Currently I'm feeding them Advanced Nuts 3 mixtures (Gro,Blo,Mic)PH Perfect. Any suggestions for a New Booster? I used BioHeaven before and it was really good, just looking for sth Similar in AdvancedNuts Tnx
Week 2
Feeding. Chemical composition
6y ago
1
1
Solved
Willy_Balls
Canna boost and autopots
HI! I have a question regarding Canna Boost and autopots. Do you use it in a reservoir? The ph is rising faster in res since I added it. The nutrient solution in res also got cloudy and trays became slimy. Since I use airdromes the ph also rised too much.
Week 7
Feeding. Automatic systems
Feeding. Chemical composition
3y ago
3
4
Solved
JuanCarlos97
Nutrient feeding
When do you guy reckon I should start adding phosphor and potassium nutrients? Give it another week? Any critique in general regarding my nutrient feeding? Cheers.
Week 6
Feeding. Schedule
Feeding. Chemical composition
6y ago
2
Solved
Spliffing_Around
SILICA Or NOT To Silica In BLOOM?
I would like to hear some experienced growers talking about Silica.Dr Bugbee says in his vids that trichomes consist of silica.Do you add it during the bloom 2?I found a lot of controversial info on that matter.Shall I continue in coco w7?
Feeding. Chemical composition
3y ago
9
6
Solved
CuecaGrow
Nuts in flowering
My plant have just entered flowering, today is first day of week 5 an she is an 20 cm tall autoflower. Is it better to start giving flowering nuts for her or just continue giving her veg nuts so she can grow a little more? And btw any advices/tips for flowering? Thanks!!
Week 5
Plant. Too short
Feeding. Chemical composition
5y ago
5
4
Solved
JuanCarlos97
Hello, i have been feeding them 10 drops of bio-bizz grow each every 2 days when they get their water (600ml atm). (is that too little? They look fine to me at least). Should i maybe start adding some bloom nutrients? Anything else in general? Thanks a lot guys :)
Week 4
Feeding. Schedule
Feeding. Chemical composition
Feeding. Other
6y ago
2
2
Solved
Hansgrube
Big FAIL try not to laugh - fed my ladies with WC cleaner
Try not to laugh. I accidentally fed one my ladies with a WC cleaner. https://ibb.co/v1MNNcM 1. I noticed it 45 min later, leaves began yellow tips 2. I took it off the dwc system and flushed it. Do you think shell survive, let her have few days in phd water or not?
Feeding. Chemical composition
Feeding. Deficiences
Feeding. Other
6y ago
7
8
Solved
SmylinPupil
Fertilizer for bigger fuller buds
I know most of it is genetics, but does anyone have a tried and true fertilizer for really putting on the beef during flowering? Or a fertilizer that has an all around good nutrient output for flowering? Thanks
Feeding. Chemical composition
6y ago
4
Solved
Darktide
PK Flower Feeding
I flushed with 16L of water for nitrogen toxicity. Going forward I am going to continue using Sensi Bloom nutrients and I am wondering if it would be beneficial to just use Sensi Bloom part B since part A is an NPK 3-0-0.
Week 13
Feeding. Schedule
Feeding. Chemical composition
5y ago
3
4
Solved
HylianGrass
Is Co2 enhancer worth it
Hey have any of you guys used the co2 enhancer thing they sell online or at some gardening store. I know for sure it can do a difference in veg phase but growing hydroponically and growing auto already gives me fast and strong vegetative grow so should i even bother?
Week 2
Feeding. Chemical composition
6y ago
6
4
Solved
yokotasan
Calmag overdose?
I saw a cal deficiency. So i bought sensi cal mag. I have prepared water with calmag for tommorow. But, i decided to spray before their night with calmag water today. Will it be cal overdouse if i give them water with calmag after spray with calmag?
Feeding. Chemical composition
Feeding. Deficiences
4y ago
3
Solved
jovialcupid9
GHE vs GHE europe
Hi, are there differences in composition between the fertilizers of these two companies? In Europe, we have completely different product names than the ones I see here on the diares. CAliMAGic = calmag DIAMOND NECTAR = fulvic acid armor si = silicate / mineral magic
Feeding. Chemical composition
6y ago
3
Solved
Juniper
2700ppm
Finally got myself an EC meter Gave 2L of RO water at 5ppm and the runoff was at about 2700 ppm?? The soil I am using have slow release fertilizer in it and assuming I can’t replace it what can I do??
Feeding. Chemical composition
5y ago
4
6
Solved
Isabelita2379
Biobloom
Cuando debo ponerle el biobloom? Ya le estan saliendo los pistilos.. Es el momento????
Week 5
Feeding. Chemical composition
6y ago
2
2
Solved
Markitos
Fert Start
Starting with a question, should I wait a little longer to start with fertilizers? I will use General Hydroponics FloraSeries
Week 1
Feeding. Chemical composition
5y ago
1
1
Solved
NCgrower252
Nutrients
What nutrients are you guys using and do they work for you all?
Week 1
Feeding. Chemical composition
4y ago
3
3
Solved
Pochette
Are these pH pens reliable?
This pH pen sucks ass! I've purchased calibration liquid at 7.0 and have done calibration for both pens, and prepared another 4.0 solution. one reads 3,8 the other one reads 4,3. My range is already 5.5 - 6.1 = 0.6. How am I supposed to deal with this?😡
Week 2
Feeding. Chemical composition
6y ago
2
3
Solved
Dillsnills
How to correct soil ph? My pH going in was 6.3 and 6.2, runoff ph was at 5.9. week 3 auto glueberry Og was
If my pH going in is at 6.3 and my runoff ph is 5.9 how do I correct that? pH going in on plant 1 was 6.3 ,runoff ph 5.9, plant 2 going in pH 6.2, runoff 6.0. plant 1 ppm going in 353, runoff 1200 ppm, plant2 going in 357ppm, runoff 2230, week 3,ffhf soil, foxf and humboldts nute
Setup. Strain - Autoflowering
Feeding. Schedule
Feeding. Chemical composition
5y ago
2
2
Solved
heinzhammer
Local Water Values
Are these Values good for Tap Water: Calcium Ca 93 mg/l Magnesium Ma 20 mg/l Natrium Na 6,6 mg/l Kalium K 2,0 mg/l Chloride Cl 25 mg/l Nitrate NO3 21 mg/l Sulfate SO4² 37 mg/l Water Hardness dH 17,6 pH 7,23 Besides pH-Down What to add? Or anything at all?
Feeding. Chemical composition
2y ago
3
3