meter

Making a 5 gallon DWC unit. Hydrofarm 6-Watt 15-LPM Air Pump 2 Hydrofarm ASCL Large Active Aqua Air Stones Air tubing PH Meter EC & ppm Meter Custom Light Fixture using cxb3590 Cobs Indica Aurora Seeds Maxibloom Powder Nutrients Tapwater (Not RO) Anyone have any success with the Maxibloom...

hi,this is my first grow, i use a 600w hps,temp around 25-27 degrees, the plants are 2 weeks old, i have to say that i.ve used water with the ph 7.5 because i didn,t had ph meter and after i got the ph meter i was trying to get down the ph with lemon and i watered the plants 1 time with that water

Hi, I have PH indicator drops and that simple PH meter with one node that does not need calibration. Big difference in readings. Drops are like a year old... would that impact the way they work? Should meter at all be used to measure water PH? I have AD12 coming in next week but...

Interested in getting the combo meter. Anybody have one and what do you think? Using pens now but looking for more accuracy and better instrument. No major issues but always wondering if this would be better? Thanks in advance! Happy Growing! :thumb:

Leaves turning purple? Regarding the above post.. I just went and bought a ph meter my tap water runs at about 7.6 i phd down to 5.7 so should i flush her with phd water? She is currently wet since i gave her water yesterday i dont know what to do

What's a good source for 'deionized water' to use in calibrating a PH meter?

In day 28, she is 7.5" tall and bushy as fuck. From Royal Queen website: "This strain of medical marijuana is a good choice for most growers, no matter whether they are working with a tightly controlled indoor grow room or an outdoor growing setup. Its relatively short growth habit (from...

Hello: If I had a penny for every time I've time I've read 'went to check my pH, but my pH meter quit working' in a grow report or journal, I'd have about $1.20 by now. I've weighed my options and am going to use pH indicator strips from here on out. (Maybe someday I'll pay for a quality...

I have a cfl 340 watt 9 tube red and another 200 watt red also a 250 watt cfl cool blue all with build in blasts My grow room is 1 meter by 1 meter it stands 3 meters high I'm using 2 reflectors on 4 indica plants would that be anuff light there the big cfls also do co2 tablets in water work...

I have a cfl 340 watt 9 tube red and another 200 watt red also a 250 watt cfl cool blue all with build in blasts My grow room is 1 meter by 1 meter it stands 3 meters high I'm using 2 reflectors and going to hang one down there the hog cfls also would ask if co2 tablets work by placing...

Wondering if theres anything at home that u could use to clean ph meter Hannah pen

Can anyone recommend me a decent PH meter? Thanks! :Namaste:

So I ordered a milwaukee ph55 meter, calibrated it. I stored it in the 4.0 solution just as the instructions said. 2 days later ph readings are all jacked up. Its not even reading 4.0 in the solution, I am soo mad right now. Is it normal to have to recalibrate every use? What ph meter is...

I have several 4 foot shop lights from home depot that take two T8 fluorescent bulbs. The bulbs I'm using are 32w daylight. So each light should be drawing about 64 watts. However, when I plug them into a watt meter they read 190 watts! How is that even possible? Is the meter wrong? Any ideas?

I am getting ready to start my first grow and just about have everything ready. I have done hours and hours of research and I am now looking at water PH levels. I tested my tap water last night (well water) with a PH strip and it appears to be about 7.5-8.0. I know PH is a big deal when it comes...

Hi guys, Just joined the forum after a while of lurking. I live in South Africa and have been smoking for years and have decided to try my hand at growing my own bud with hydro. I started by using a plastic storage container, fitted it with two fans (one pushes air in, other one extracts it)...

these are my babys Critical + (big bud+skunk) growing on soil with 400 watter i started adding nutrient today, i hope it will fix this, i dont have PH meter and i see almost the same in ph to high photos, can someone please verify and replay thank you guys ...

hi i am new to water growing. i have 60 liter nft system. i had broblem to understand ec meter. (have read 2 day and still wont get it.) i put 60liter water on to tank. then i put nutrients. i use advanced nutrients grow micro bloom. there said 4ml/l. so i put there 240ml all of them...

Do you typically leave your probes in the res and monitor continuously or clean and store after testing? Just curious about longevity of the meter and best practice

Hey guys, I am totally confused. I understand my TDS meter is testing the electrical conductivity of my water, but I just dont get how it all relates. I know there is a diff on how meter is built, 500 or 700, and that this affects the actual reading I get back from my meter. I am if I got a...