I am in the process of getting our aquaponic system certified organic. But I have run across some hurdles that I need help with.I was using calcium carbonate/potassium carbonate to raise the ph of my…Continue
"You can use potassium bicarbonate as a foliar spray to control powdery mildew which will supply potassium to the plants as well. I have heard of it used in combination with worm tea. It is difficult to control PH with just calcium carbonate alone as…"
"Since Calcium Carbonate is on the OMRI Generic Materials List you do not have to use a specific brand. I get my Calcium Carbonate from the feed store in a 50lb bag- They call it Oyster Shell and carry it in crushed or flour form. I prefer the…"
"Thanks Jess & Jack, I have looked at the friendlies newsletter, and I will go back and reread, but usually what I found was that they used an organic calcium carbonate and iron, but never specifically state where to find them or what…"
"I assumed he already tried that Jack =) It is rough going through the certification process so I just shared my best resource for a 'strait from the source' knowledge bank. Best of luck getting certified, it is a huge accomplishment…"
"I would recommend reading the Friendly Aquaponics newsletters on the subject because they have covered it really well (and are organically certified so you know that their Certifiers have approved the method which makes it easier to go to your…"
I am in the process of getting our aquaponic system certified organic. But I have run across some hurdles that I need help with.I was using calcium carbonate/potassium carbonate to raise the ph of my system, however potassium carbonate is not allowed.I was thinking of using Espoma GL6 Garden Lime Soil Amendment, which consists of pelletized dolomitic limestone.Question 1:Has anybody had any experience with this stuff or is there something else I should use to raise ph?I also discovered that the…See More