13Mar/12Off

Control the environment of your growroom – pH Levels

If you want to make the most out of your plants, you need to understand how they react to their environment.  The environment they are being cultivated in directly affects your growing results.  Broken down, the major points of consideration are;

  • Temperature
  • Smell
  • PH Levels
  • Water treatment
  • Nutrients

We’ve already addressed some of these issues in previous blog posts, so now we’re taking a closer look at...

pH

The pH scale refers to how acidic or alkaline a substance is, and is one of the most important things to consider when maintaining your growroom.  The scale runs from 1 to 14, with 1 being extremely acidic and 14 being extremely alkaline – a pH of 7 is referred to as neutral and is most commonly found in pure water.c

As any plant cultivator should know, nutrients are important for plant growth and development.  It is the pH level around the roots, though, that defines how well these minerals can be absorbed by the plant.

Most plants thrive in a slightly acidic growing environment – between 5.8 and 6.8 pH – but different times in a plant’s life cycle will require different levels of minerals, which could affect the pH of your growing area.

It is, therefore, important to keep watch over the pH levels of your crops – The Big Shop has several testers in stock from reusable electric varieties such as the ETI Horticare Digital pH Tester to traditional liquid tests like the Flairform pH Test Kit.

A pH test should be regularly conducted – we suggest once a day when first starting out with a growroom until you’ve reached and kept an optimum level, after which you can afford to test once a week purely to make sure the pH levels don’t fluctuate too far.

To stabilise your pH, check your levels and add a small amount of an acidic or alkaline substance, depending on whether you need to respectively lower or raise your pH.  Check again within an hour, then adjust again accordingly.  Start by adding one millilitre per gallon of your hydroponic solution to make the effects of each treatment clearer.  Repeat this process a few times and you should start to get a feel for your system and understand how much altering solution is needed to change your levels appropriately.

We also stock Growth Technology’s pH Up and ph Down substances to help you maintain the most productive growing conditions as possible to really make the most out of your growroom.

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