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Picture of Homemade Acidic Fertilizer
In fact plants acidic fertilizer is also important as that of organic fertilizers for plants (azaleas,roses,rhododendrons, blueberry, hibiscus and other acid-loving plants) needs acidic fertilizers.For instance,eggshells are almost 100% calcium carbonate, one of the main ingredients in agricultural lime; vinegar has acetic acid; & coffee not only lowers your soil pH ,it also enriches it with nitrogen,magnesium and potassium.
too much use of fertilizer can make soil too acidic so thee fertilizers should be used in a limit.

EPSOM SALT FERTILIZER
COFFEE GROUND FERTILIZER
EGG SHELL FERTILIZER
VINEGAR FERTILIZER
FISH TANK FERTILIZER

are some of the accidic fertilizers wich can be made in home with less cost for plants.





Step 1: Epsom Salt Fertilizer

Picture of Epsom Salt Fertilizer
epsomsalt.jpg
 Epsom salt fertilizer:use in place vegetable plants,rose plant, peppers,houseplants

ingredients:
1 table spoon Epsom salt
1 gallon of water

combine the Epsom salt and water and use this solution to water your plants.repeat once a month. Epsom salt is made up of magnesium and sulphate-both vital plant nutrients.
 
will19471 month ago

Please don't use marine fish tank water, it's basically sea water.

lemonie5 years ago
It could do with your own pictures of things you made.
Egg shells are not acidic, you might want to mention that.

L
bobbylion (author)  lemonie5 years ago
 though egg shells are nt acidic they contain calcium carbonate n essential element for plants growth...
Yes, but under the title "Acidic Fertiliser" you might want to point out that carbonate is a bit basic / alkaline.

L
DIY-Guy lemonie3 years ago
The title to this instructable is accidentally misleading. It would be a nice gesture if the author would rename it more accurately. Thank you!

Perhaps "Household acid and base fertilizers" would work for you?
lemonie DIY-Guy3 years ago
Well it's been ~18 months and it hasn't happened. I'm not too concerned.

L
DIY-Guy lemonie3 years ago
Lemonie: I've taken eggshells and dissolved them in vinegar, got some fine powder and sometimes some crystals precipitated out.

After thinking about it as a way to give calcium to plants I decided that just crushing eggshells into my compost mix would work as well. Time, bacteria, rain, and regular watering should get the calcium into the root systems. I figure this to be true because oyster shell calcium is sold for gardening and that is not precipitated out in fine powder. It seems to dissolve naturally in the environment of the soil.

On another note: If coffee grounds are going to be spread upon the soil, why bother drying them? It seems to work fine dumped onto the base of the rose plants. (Grandma taught me that one years ago.)
kplotke DIY-Guy2 years ago
I had the same question about the coffee grounds. Thank you!
lemonie DIY-Guy3 years ago
This isn't my instructable, but I think you could put an interesting/useful one together. Do you think so?

L
DIY-Guy lemonie3 years ago
I appreciate the encouragement. I've been only partially engaged with the whole Instructables process for some time now. Looking forward to doing a well documented Instructable after I put all the photos and facts together.
kplotke2 years ago
Can you add egg shells, coffee and epson salt together? Why do you need to dry out coffee grinds?