Question on flushing Hydro Grow and final ppm levels

[Land of the Free?]

Hello All it's been awhile but I'm back better and then b4! ,

I will be harvesting soon and planned on it today, but the place where I get my RO water had they're machine break, so I didn't flush as much as I wanted. Well I did flush last wednesday (5 days ago) and ppms we're at 350 or so in RES before I flushed. I flushed them down to 30 ppms there after .

So my #1 question is
What PPM ranges are acceptable before cutting doing Hydro?

Is 30ppms going to leave bad taste? I'm thinking that's very low and shouldn't be a problem. Or, I maybe flush again to be safe and let it go a few more days. I have only been adding water to existing nutes for about a week and a half. I didn't do the light off for 2 days thing so maybe I should wait. I also want to add flavoring. I bought some juice for that. I'll post pics when light come on. Cheers!

 

[jondamon]

Sorry to tell you but flushing is a myth. I am a hydro grower and I don't flush.

It's all in the cure.


Flushing was done by those that over feed their plants to breaking point.


I do lower my EC during my final 2weeks along with lowering my light levels and temps but nothing that would constitute flushing.


There are many ppl on here that will lead you to believe that you MUST flush your plants because that's how it's always been.


If you monitor your res levels so that plants are feeding enough without over feeding then there will be no need to flush anything.


Try it for yourself before being persuaded by anyone including me.

I guarantee though that once you try it you will wonder why you ever flushed.


Something to also bare in mind is that flushing vast amounts of plain water through your plants roots can actually cause reverse osmosis in the roots.



J

 

[Land of the Free?]

Thanks for the reply.

Your info seems to make sense and in some sorts by reducing ec's you kinda started flushing in a sense. I guess in both ways EC's or PPMs are being greatly reduced which is what you want correct? Me being at 30 ppms should be totally fine then. The plants have already started to feed from water leaves and they are yellowing drastically.

Well maybe I WILL cut some Top Nugs today!! I didn't do the 2-3 days darkness though..what do you think about that on side discussion? My friend says thats no big deal even flavoring bud or adding sugar weight is a waste. I want to try adding juice for smell appeal and to bulk up buds. Seems logical?

 

[jondamon]

Juice will not do a great deal to taste other than cause excess acids to be prevelant in your water.

Sugars ie molasses are to help feed beneficial bacteria contained in your plants rhizosphere. Only small amounts of trace minerals are actually absorbed by the plants from the sugars aka carbs but as hydro growers your water contains almost none of these beneficials the sugars feed.

I do reduce my EC levels from 1.2EC down to 0.8EC during those final 2weeks. My plants very rarely are yellow when I chop them down. Chlorophyll is needed during the fermentation process for the sugars etc to start breaking down which is where flavour and aroma come from.



I use canna aqua full line along with liquid silicon. That's it!!!

I monitor my res levels checking for fluctuations in levels. I change my res every 7 days with fresh nutes.

The liquid silicon helps to strengthen cell walls and aids the plant in flowering.


If you want to read some good informed information then click onto my profile and find all my started threads.

Lots of various topics in there including my last grow.




J

 

[Land of the Free?]

yeah doing more research in hydro molassas is useless so im not going to do that or the juice thing. It's better to feed carb loaded sugars before hand but not right before a harvest, but no molassas in hydro lol. And besides I didn't flavor last harvest and it taasted great! So I decided not to flavor them. I think they are ready and since I will not add anything to the RES, I can do a 2 part harvest without issues .

You say you don't get yellowing leaves, but from my research that is a sign of buds getting ripe a good thing? Taste comes more from the dry/cure process.

 

[jondamon]

Yes taste does come from the dry and cure but chlorophyll is needed in the cure process so that it canbebroken down. If your plants are yellowing then they are already stressed and eating themselves.

Do a little more research about the processes that happen during curing. That way youll see for yourself instead of me just telling you.



J

 

[Land of the Free?]

Yes I have researched but as you know many people have different ideas. I believe yellowing of the fan leaves is ok and i sign of ripness, but of course you dont want yellow buds or sugar leaves. I know chlorophyll will breakdown and change into good things during cure process. My buds are fat a crystally i'll show you shortly. Im sure i'll be fine but just want to see if I can improve my end result. Thanks for the discussion.

 

[Land of the Free?]

Oh and yes I did look at some of your posts I looked at the flushing one of course lol. Well I think we are all doing our best and I see you are well researched too. In the end the judge is on the BONG LOL

 

[jondamon]

Oh and yes I did look at some of your posts I looked at the flushing one of course lol. Well I think we are all doing our best and I see you are well researched too. In the end the judge is on the BONG LOL

or in my case the judge is in the VAPE. lol

Try it both ways though. Dont get me wrong i do get yellowing fans but not most of the plant, only a few here and there.



J

 

[Warlock1369]

That's up to the grower. I've been hydro for years and the last 2 years I do 9 days flush. Nicer smoke and cleaner ash.
So don't say it's a myth just cus you don't think so. It's all in the grow.

Sorry to tell you but flushing is a myth. I am a hydro grower and I don't flush.

It's all in the cure.


Flushing was done by those that over feed their plants to breaking point.


I do lower my EC during my final 2weeks along with lowering my light levels and temps but nothing that would constitute flushing.


There are many ppl on here that will lead you to believe that you MUST flush your plants because that's how it's always been.


If you monitor your res levels so that plants are feeding enough without over feeding then there will be no need to flush anything.


Try it for yourself before being persuaded by anyone including me.

I guarantee though that once you try it you will wonder why you ever flushed.


Something to also bare in mind is that flushing vast amounts of plain water through your plants roots can actually cause reverse osmosis in the roots.



J