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Mono Potassium Phosphate FREE PK 9/18


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This is a cut and paste from another site....I've used this bloom booster pk 9/18 for over a year. Works great.

Soluble Potash is available from Bunnings...$11 a kilo

 

 

.I've got over 20 kilos of Mono Potassium Phosphate

If anyone wants some (FREE) get in touch! I'm in Vic. I don't reckon it could be posted, so pick up would be the go.

Costs about $1 per litre to make. Same as MOAB etc, etc.

i use 2mls per litre from week 2 to 6 in coco. A friend uses same in recirculating system

 

 

 

 

 

a quick overview of hammerhead PK 9/18.... 1L recipe

Soluble Potash 0-0-60 91.8 grams
Mono-potassium phosphate MKP 0-52-34 78.2 grams
distilled H2O 0-0-0 830 grams

This will give you 0-9-18 within a percentage point

Now the big disclaimer hahaha these amounts are with 100% disolving in the water base. As Potash is a natural mined element, you may have varying degrees of solubility.
I would add the Potash first to see how it disolves, then the MKP
I do know that Hammerhead always seems to have some sediment in the bottom of the bottle and they say to shake well before using, so it must not totally disolve.

depending on the quantities of the materials you can get.....you could make this up for as little as fifty cents a litre

Edited by Saul Goodman
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