![]() ![]() Keep your GPH number on hand next, we’re talking about head height. If you were running a media bed system, the equation would be + (Turn over GPH) = Total GPH Run your system type and size through the appropriate calculation using the tables above. This is the equation for a ZipGrow system. ![]() This means that the number of gallons per hour is essentially the number of towers, times 2. So you end up with a gallons-per-hour (GPH) for hydroponics equation like this: (where t=towers) In hydroponics with ZipGrow Towers, you want to run two gallons of water through each tower every hour. Your total GPH is the flow rate times the units with that flow rate. (You can use the same equations, just remember that if you change one unit you have to change all of them.) Calculating GPH for hydroponics Obviously, places that favor the metric system will use liters per hour. Pumps will almost always have a gallons-per-hour (GPH) rating that tells you how many gallons of water that pump will move every single hour. ![]() Let’s go through the 3 steps to sizing a pump we’ll use a ZipGrow Tower system as an example. ![]() We’ve put together two tables for both hydroponics and aquaponics to help anyone sizing a pump for your system: If you start feeling overwhelmed at any point during this post, just ask a question in the chat box on the right side of the screen! Combine these two values using the chart that comes with the pump.Calculate the GPH (gallons-per-hour) that your pump will be moving.3 steps to sizing a pumpįinding the right sized pump isn’t half as complicated as it might seem! We’ve put together easy formulas to use-one for hydroponic growers, and one for aquaponic growers. In order to determine the best pump for your system, you’ll need to do three things: Most auto-dosing systems come with the pumps. Peristaltic pumps are small pumps that are most often used in auto-dosing. Seedling carts with fertilizer solutions may benefit from an air pump, for example. Aeration is important for supplying oxygen to root zones and avoiding anaerobic decomposition. We use submersible pumps for this.Īn air pump may be used to pump low volumes of air at high pressure, usually for aerating the water. These help with consistency and can help with oxygenation. The term “ sump pump” refers to a pump that moves water from one sump tank to another or is used for turbulence and mixing nutrients inside one sump tank. Inline pumps typically have more power, which is measured not in the volume of water that they can move like submersible pumps, but in horsepower, HP. Inline pumps are air-cooled, sit outside of your tank, and are typically suited best for larger (50 or 100+ tower) operations. This fits most hobby systems, display systems, and very small commercial systems. Submersible pumps are limited in power and are only suitable for systems with a total GPH need of 1200 or less. These sit directly in the water of a tank or gutter and pump water through a fitting (and hose that you attach) from the top of the pump. Submersible pumps are cooled by the water and sized in GPH. The two main categories of pumps that you will be choosing from are inline and submersible pumps. Read on to learn about different types of pumps. Pump sizing varies based on whether you’re using hydroponics or aquaponics, your overall system size, and the type of hydroponic or aquaponic system you’re running (the types covered in this post are DWC, NFT, media bed, Bato bucket, and ZipGrow Towers). Which kind and which size should you get? You open the web browser, search for hydroponic pumps, and there are: You’re ordering materials, and all that’s left for you to do is to order a pump. Sizing a pump? First, decide what type of pump you need. ![]()
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