DWC question

[Nigorski]

Everything looks fabulous but look at the tips. Is this normal? First time growing in dwc

 

[Chris Scorpio]

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[Barney86]

That's Nitrogen toxicity mate. Feeding them too strong. What exactly are you giving them and do you know your ppm and pH numbers easy fix nothing to worry about .

 

[Nigorski]

That's Nitrogen toxicity mate. Feeding them too strong. What exactly are you giving them and do you know your ppm and pH numbers easy fix nothing to worry about .

Ppm I don’t know. Ph is 5.8. Using dr hydroponics 2 part. I’ll knock er back a bit Thanks for the reply.

 

[Barney86]

Ppm I don’t know. Ph is 5.8. Using dr hydroponics 2 part. I’ll knock er back a bit Thanks for the reply.

Should really use a ppm meter in hydro untill you got it sussed mate. Doesn't just tell you how strong the nutes are, also tells you how strong you need them.
the cheap ones on Amazon are sound. Mine was only a tenner and lasted 3 years. They don't even have to be accurate mate. A consistently innacurate ppm meter works just as well for our purposes. You just follow the number.
if it's going up you add more water. If it's going down they need more nutes.
all there is to it really.
Just follow the number on the stick and they should stay pretty perfect

 

[Barney86]

Without the meter though I'd say cut them in half. Wait untill the bottoms start going yellow then go back up by 50%.
Make sure your emptying the Res every 7-10 days too. Keeps everything nice n balanced.

 

[Nigorski]

Without the meter though I'd say cut them in half. Wait untill the bottoms start going yellow then go back up by 50%.
Make sure your emptying the Res every 7-10 days too. Keeps everything nice n balanced.

I have this meter from amazon. I just have no idea how to
Read it.

 

[Nigorski]

Ok. Water on this meter reads 144 ppm. My buckets were 1100 Ppm. I’ve dropped it to 680ish.

 

[No Pain]

Ok. Water on this meter reads 144 ppm. My buckets were 1100 Ppm. I’ve dropped it to 680ish.

@Barney86 has got this ..since he is on the other side of the world im going to chime in for a sec.. seems like you learned to read it …. now your tap water reading could consist of many different things and one thing is certain about the reading after you add nutrients and that is how much true plant food you have put in added ...so what I used to do using tap water(I use ro water now) and everyone is different , is I would subtract the tap water reading from the end result unless your nutrient line says not to …. so right now you would be at 536 ppm also look at the paper on that has to do with the meter as there are two different scales that they can use the most common is a 500 scale however it could measure on a 700 scale which make the information relay different …..and here is an example as to why its important a 600ppm reading on a 500 scale is equal to 840ppm on a 700 scale and vise versa .

 

[Barney86]

Yeah mate ^^ what he said

 

[Barney86]

If your meter has an e/c function tell us the reading off that. Electrical conductivity (e/c) is what the 0.5/0.7 scale is based on.
E/c however, is universal. It's the same on every meter.
Ppm is just a more accurate way to do it. Makes the changes in the nutes more viewable .

An EC of 1 is iether equal to 500 or 700 ppm. Depending on where it was made.
Ppm is parts per million of total dissolved solids in a liquid.

 

[Nigorski]

The only other

 

[Nigorski]

Thanks for everyone chiming In With help and advice. I meant by didn’t know how to
Read the
Meter I meant didn’t understand what it was telling me. First time growing in water and it’s fascinating.
My confusion on the whole deal was I mixed the nutrients to the label exactly. I’m guessing I need to drop it by half now. Again. Thanks for the help

 

[No Pain]

you need to look at the paper work that came with it or look on the manufactures web site as to what conversion method it uses that first measurement is what is used for the conversion to ec or ppm .

The unit of measurement for conductivity is expressed in either microSiemens (uS/cm) or micromhos (umho/cm) which is the reciprocal of the unit of resistance, the ohm. The prefix "micro" means that it is measured in millionths of a mho. MicroSiemens and micromhos are equivalent units.

so based on that first number doing a conversion to ppm it appears that your meter uses a 500 scale .

here is a link to the Converter that I used . Not that you will have to use it again .

also I couldn't help but notice that your roots look a tad off color . you should post a pic of those for us also.

 

[Nigorski]

1st one is from a clone that was a bud. It had a really sluggish start but has lots of new growth on it. I’ve been adding calimagic with my feedings.
Sorry about the delay. Gone for the weekend.

 

[Nigorski]

Also to
Mention. My ph was all over the map as I was just using the drops. I have a proper meter now.

 

[Nigorski]

I have been running the ph properly for a week or more now.

 

[Nigorski]

not Sure what to do with this root issue. Doesn’t look as bad in person then in the pic

 

[r0am1ng st0ner]

Decide if you are running a sterile grow or a grow with beneficial bacteria either option may help control a root problem.