PH CONTROL - Page 2

stoney-trees · 07-08-2009, 07:14 PM

Quote:

Originally Posted by chillandgrow420

but the dolomite lime would be good enough right?

If your using organics. And I dont mean part organics.

If you plan on using chemicals, spend 100$ on a ph meter.

st_n_y cat · 07-08-2009, 07:21 PM

umm no it will not work on its own

dolomite lime will keep your ph higher than not adding it at all.
one of the cheap reagent kits with ph up, down and the indicator, a pipette and a sight glass is all you need. It will last you forever.

Test your runoff.
rapitest meters do work, but really only let you check for "hot-spots" not give you a full picture of whats going on in your soil.

ph in organics doesnt matter, as it is the microbial activity in the soil that delivers the nutes to the roots in forms they can immediately use

**Lou Cypher** · 07-08-2009, 08:15 PM

Quote:

Originally Posted by chillandgrow420

if i was going to be cheap

IDK how cheap you're trying to go, the cheapest way I can think of will be:
Vinegar for PH down and
Baking soda for PH up.

Couple of dollars at the grocery store.

BTW, lime its added as a way to keep the soil from going acidic.

Shocker · 07-09-2009, 11:44 AM

Quote:

Originally Posted by Lou Cypher

I only have the need to PH down my tap water in my veg nutes, so I use distiled vinegar.

I ride along with Lou

Vinegar, haven't had any problems.

stoney-trees · 07-09-2009, 07:03 PM

Quote:

Originally Posted by tocket

If mixing your own soil, you can add more peat moss to lower pH and wood ashes to raise it.

Lime is better though, because it keeps it stable around 6-7. Wood ashes are a good source of P, but keep adding, it will keep raising PH. It wont just keep it stable.

stoney-trees · 07-09-2009, 08:28 PM

Quote:

Originally Posted by tocket

Yeah, wood ashes allow you to keep raising the pH without a limit like lime. I think ashes have more potassium than phosphorus, with an NPK of 0-1.5-7 according to this page.

err, yeah. Meant to say K lol.

ganjarefermon · 07-16-2009, 05:53 PM

Does anyone know if it is safe to use aquarium Ph up for plants?

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