Best way to add calcium?

[Justones]

I was looking for something that was mostly calcium. But didn't see much. So what's the best way to add it?

 

[AKgramma]

I was looking for something that was mostly calcium. But didn't see much. So what's the best way to add it?

A couple of natural/cheap remedies, using eggshells.

1) Crush some eggshells to powder and boil for 20 min to an hour. The cooled water should have enough dissolved calcium in it to feed the plants.

2) Save the water you cook your boiled eggs in. Same end result as above.

3) you can sprinkle the powdered eggshell on the soil and gently work it in. It will take longer for the Ca to release into the soil, but If done when you first start a pot, it should last the whole time from seed to harvest.

 

[Justones]

Awesome info. Thank you

 

[jhfhklsnhfldk]

There are many brands of calmag available. If you are trying to avoid using calmag, the method AK suggested should work fine.

 

[W1zard]

milk

 

[Croatsan]

The only calcium my plants ever get is from tap water. Never had the need to supplement it.

But if I do, I'll surely follow W1zard's advice.

Just one question: Whole or skimmed?

 

[Emilya Green]

I make my own cal-mag-phos supplement out of eggshells. I find it to be superior to anything I could buy. I invite you to check out the thread:

Emmie's DIY CalMagPhos+ From Eggshells

 

[jhfhklsnhfldk]

I make my own cal-mag-phos supplement out of eggshells. I find it to be superior to anything I could buy. I invite you to check out the thread:

Emmie's DIY CalMagPhos+ From Eggshells

Love this! Thank you very much for the tutorial.

 

[Conradino23]

Calcium carbonate, powdered egg shells, oyster meal, lithothamnium, Cal-Mag, they will all work for calcium/magnesium.

 

[AKgramma]

Unsulfered Molasses also has 8% Ca and 8% Mg, in addition to iron and carbs. Use 1/2 TB per gallon of water. I Usually share the gallon among my mature plants, giving each about a cupful or two.