Water flow feed rate for hydroponic grow unit

In summary, to calculate the amount of water that can be supplied to PVC pipes with an exact number of holes drilled into it, you would need to know the diameter of the holes, the length of the pipes, the number of holes per pipe, the size of the PVC manifold, the height of the water needed for the plants, and the flow rate of the pump. Based on this information, you can use a formula to determine the amount of water that can be supplied to the pipes and therefore determine how much additional pipe with additional holes the pump can supply.
  • #1
DUBRIACO
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how do you calculate the amount of water that can be supplied to pvc pipe with an exact number of holes drilled into it to feed plants water
3/32" diameter hole in 1/2 pvc pipe each pipe has 29 hole 5 pipes approx 88" long connected to a 1" pvc pipe manifold water fed through drilled holes must reach a height of 4" vertical
head height not a problem pump is only 18" below supply lines and head pressure on pump can reach over 20 feet
what i need to figure out is how much additional pipe with additional holes can the pump supply

pump being used is 1505 gph
this is for a hydroponic herb garden with 145 net pots
trying to start a business growing basil dill sage ect

all input would be greatly appreciated

thank you
 
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  • #2
To calculate the amount of water that can be supplied to PVC pipe with an exact number of holes drilled into it to feed plants water, you would need to know the following:1. The diameter of the holes (3/32")2. The length of the pipes (88")3. The number of holes per pipe (29)4. The size of the PVC manifold (1")5. The height of the water needed for the plants (4")6. The flow rate of the pump (1505 gph)Once you have all of this information, you can calculate the amount of water that can be supplied to the PVC pipes by using the following formula: (Flow rate of pump x 60) / (Number of holes x Hole diameter x Length of pipe) = Water per holeFor example: (1505 x 60) / (29 x 0.09375 x 88) = 0.55 gallons per holeThis means that the pump can supply 0.55 gallons of water per hole. To calculate the total amount of water that can be supplied to the PVC pipes, multiply the number of holes by the water per hole. In this case, the total amount of water that can be supplied to the PVC pipes would be 16.45 gallons.
 

FAQ: Water flow feed rate for hydroponic grow unit

1. What is the ideal water flow rate for a hydroponic grow unit?

The ideal water flow rate for a hydroponic grow unit varies depending on the specific setup and plants being grown. Generally, a flow rate of 1-2 gallons per hour (GPH) per plant is recommended. However, it is important to monitor and adjust the flow rate based on the needs of the plants and the conditions of the grow unit.

2. How does water flow rate affect plant growth in a hydroponic system?

The water flow rate is critical for providing plants with the necessary nutrients, oxygen, and hydration in a hydroponic system. If the flow rate is too low, plants may not receive enough nutrients, leading to stunted growth. On the other hand, if the flow rate is too high, it can cause damage to the plant's roots and disrupt the uptake of nutrients.

3. Can a higher water flow rate increase plant yield in a hydroponic system?

In some cases, a higher water flow rate can lead to increased plant yield in a hydroponic system. This is because a faster flow rate can help deliver more nutrients and oxygen to the plant's roots. However, it is important to balance the flow rate to avoid any negative effects on the plants.

4. How often should the water flow rate be adjusted in a hydroponic grow unit?

The water flow rate should be regularly monitored and adjusted as needed in a hydroponic grow unit. Factors such as plant growth, temperature, and nutrient levels can affect the flow rate, so it is important to make adjustments accordingly. It is recommended to check and adjust the flow rate at least once a week.

5. What are some signs of an incorrect water flow rate in a hydroponic system?

If the water flow rate is too low, plants may show signs of nutrient deficiencies, slow growth, and wilting. On the other hand, if the flow rate is too high, plants may have yellowing leaves, root damage, and stunted growth. It is important to regularly check the plants and adjust the flow rate to maintain optimal growth and health.

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