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I know this is unrelated guys but I told my gf to get me some langbenite while I was at work and when I got home she came back with sulphate of potash will this have the same effect as langbenite?

Doesn’t look like pm.. does it wipe off?

It’s mainly because coco is inert so you feed and ph every time you water and a lot of coco growers who don’t have hard water will add calmag into the equation. And yes peat may be acidic but if you keep on watering with hard water the peat will lose its acidity and also become inert like coco...

If your water is hard to begin with you are sitting on a ticking time bomb imo as the calcium will build up I know a lot of people say in organics ph doesn’t matter but salt build does from the hard water and build up of calcium.

Thanks sir! I will indeed give it a read! When I was growing coco the extra calcium didn’t matter much as the coco would bond to a lot of the ions.

Ahh interesting very interesting so this (langbeinite) will break down all the calcium causing the buffering in the first place never even heard of this stuff.. is it okay with organic?s

My tap water comes out at ph 7.5 and it causes my plants to go into lock out about 3-4 weeks into the grow with soil as the calcium buffers the peat over time. The fact is most growers who have problems in soil like mag it’s almost always ph. It’s not hard to correct your ph in soil just stop...

Yes I while I agree organic soil I’ll buffer the ph if slightly off the.. why take the chances? Why not make all the nutrients bio available to the plant in the right ph range from the start so she’s getting the best of both worlds?

The water will have calcium in it which will buffer your oh over time imo I’d switch it out for rain water as you don’t really need the added calcium in soil.. I mean maybe you could still use the bottled water once a week but other than that I’d use rain water they will react to transplanting...

What are you watering them with? Tap water? Rain water? Looks like ph to me high end she looks like she’s showing early signs of mag def

Tap water is the devil it’s only okay in coco grows I’ve found anyway. Organic grows need rain water and a good soil that’s already in the correct ph range for your plant if using an old rain storage tank I highly recommend buying a bottle of hydrogen peroxide 12% and treating the tank before...

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