|Search Hydroponics Online:|
|New Immigration Laws Pave the way for Hydroponic Farming
Powdery and Downy Mildew
Building your own Indoor Grow Room part 2
Building your own Indoor Grow Room part 1
The Benefits of Chelated Micro-nutrients
Is the pH really that important?
Getting Bigger Yields From your Hydroponic Plants
Tips for getting the most out of your nutrients
Millions of dollars lost in hydroponic tomato plant sabotage
Growing Hydroponic Raspberries, part 2
|Cyanobacteria, tea not working, PLEASE HELP!
Ebb and Flow question
Seed germination questions
Green house. Nft and dutch buckets
New guy, strawberry tower
It's Cyanobacteria! Questions about tea!
life of lettuce in dwc question
Northern lights bloom box
eating after using flora series fertilizer
round vs square gullies/channels aeroponics
A Newbie's Plan - Growing an Areca Palm DWC indoors
michrobes failed to stop pythium
Persistant root rot, bennificial bacteria not working
bubbly foam on the reservoir
Newbie here saying hello
Low cost high water pressure protection for RO water filters
Meeting Plant Needs 4-5
pH is the measurement of the hydrogen ion concentration in a particular medium such as water, soil, or nutrient solution. More simply, it refers to the acidity or alkalinity of that medium. PH is measured on a scale ranging from 0- 14, with 7 being neutral, above 7, alkaline and below 7, acidic.
The pH of a medium or nutrient solution is important to plant growth. Each plant has a preferred pH range. PH ranges beyond the preferred for a given plant may cause stunted growth or even death.
Very low pH (< 4.5) or high pH (> 9.0) can severely damage plant roots and have detrimental effects on plant growth.
As the pH level changes, it directly affects the availability of nutrients. The majority of nutrients are available to a plant at a pH range of 6.0 -7.5. Somewhere within that range is the ideal pH level for most plants. When pH levels are extremely high or extremely low, the nutrients become "locked" in solution and unavailable to the plant. At extremely low pH levels some micro-nutrients, such as manganese, may be released at toxic levels.
The newer and more popular growing mediums like perlite, rockwool and expanded clay have a
neutral pH and will not alter your nutrient solution. Peat moss, saw dust, vermiculite and some of the other materials that have been used for hydroponic growing in the past are often unstable and will alter the pH of your nutrient solution.
The pH of your nutrient solution should be checked when you first mix it and then checked every few days when it is in your hydroponic reservoir.
Three common methods of testing your pH
Litmus Paper: Simply dip the end of the paper into the solution to be tested and then compare the color of the litmus paper (which will have changed when dipped into the solution) to the color on the pH chart to determine the pH.
|pH Test Kit: Take a sample of your solution in a vial and add several drops of the pH indicator. The sample will change color and can then be compared to the pH chart.||
||pH Pen or Meter. Simply dip the end of the pen, or the probe on a pH meter into the solution and it gives you a digital reading of the pH.|
HOME / LAST PAGE / NEXT PAGE