As long as you have read the previous articles and biological knowledge, we know that plants cannot grow without sunshine, air, water and soil, which are essential ingredients. With the progress of science and technology, people create more and more equipment to make plants grow better and better. At the same time, manual management is becoming easier and easier. Are you looking for an introduction, but don't know where to start or how to start? You might think - what kind...

There are two ways to calculate your fan requirements. Calculating By Room Volume & Calculating By Wattage 1. Calculating By Room Volume  You will find many calculation methods for calculating the size of indoor garden ventilation fan on the Internet; However, many of these calculations do not take into account the friction loss of carbon filter and the temperature rise of HID lamp. Therefore, this is my calculation method, which you can use as a guide for determining the size of the...