Mark Baker 

Evaporative air coolers offer affordable comfort during hot weather. Instead of costing you hundreds of dollars a month on electricity like AC units, evaporative coolers draw warm air through water soaked pads to produce a cooling effect. The science behind evaporative coolers is straightforward. Maintaining your cooler isn't very different. If you neglect regular maintenance, you'll notice reduced airflow, unpleasant odors, or mechanical failure when you need cooling the most.

Thankfully, preventative maintenance is simple on evaporative coolers. Most tasks only take a couple minutes and require no special tools. Below you'll find several important maintenance tips to ensure your cooler performs efficiently throughout the entire season.

Evaporative coolers contain cooling pads that help produce the cool breeze you feel. These large absorbent pads fill with water that evaporates to cool incoming air. Dust, dirt, minerals and other debris eventually accumulate on the surface of these pads. As this gunk builds up, airflow decreases and efficiency suffers.

Remove the cooling pads from your cooler and rinse under water. If mineral deposits are excessive, soak pads in equal parts water and white vinegar for 30 minutes. Vinegar helps dissolve minerals without harming pad material.

Cooling pads have limited lifespans and may need replacement after a season or two of use. If your pads are brown in color, have a musty odor or develop hard white spots that won't brush off, it's time to buy a new set. Cooling pads aren't expensive and can make a big difference for your cooler's efficiency.

Evaporative coolers use a water tank to soak the cooling pads. This tank can develop algae, slime and mineral scale if left unchecked. Take the time to dump out and wipe down the tank every few weeks. Use water and a gentle cleansing solution on the interior tank walls.

If there are any green or black spots in the tank, you have algae growth. A little bleach mixed with water will kill algae quickly. Rinse well before adding water back to the tank.

Sprinkling a cooler treatment tablet into the water will also help reduce algae and mineral buildup. These tablets are available at most hardware retailers and home improvement stores.

The Goods and Services Tax (GST) is a significant reform in the Indian taxation system. Introduced on July 1, 2017, GST replaced a plethora of indirect taxes previously levied by the central and state governments, such as VAT, service tax, and excise duty. The introduction of GST marked a new era in the Indian economy वस्तु एवं सेवा कर, aiming to create a unified market and simplify the tax structure.

GST is a destination-based, multi-stage tax levied on the supply of goods and services. It is designed to be comprehensive, covering all stages of production and distribution, with credit given for the tax paid on previous stages of the supply chain. This ensures that the tax is only levied on the value addition at each stage.

Central Goods and Services Tax (CGST):Levied by the Central Government on intra-state supply of goods and services.

State Goods and Services Tax (SGST):Levied by the State Government on intra-state supply of goods and services.

Integrated Goods and Services Tax (IGST):Levied on inter-state supplies and imports, collected by the Central Government and then distributed between the states and the center.

Union Territory Goods and Services Tax (UTGST):Applicable on goods and services supplied within Union Territories.

GST operates under a dual system, meaning it is administered by both the central and state governments. The tax is divided into CGST and SGST for intra-state transactions, and IGST for inter-state transactions. This system allows both governments to share the revenue generated, ensuring that the tax burden is evenly distributed.