Find answers to common questions. Can't find your answer? Contact us.


How do I mix my fertilizer?

For two-part fertilizers like HydraGrow and HydraBloom, make sure to shake them well before using. Begin by adding Part A to water, then add Part B. Stir, and you're good to go!

Do not add Part A into Part B and then pour into water.

For single-part fertilizers like HydraGreens, HydraBloom Flower Basket, and HydraVeggies, give them a good shake before using. Figure out the right amount of fertilizer you need, measure it out, pour it into water, stir and you're all set!

How often should I feed my plants?

Hydroponic plants typically need to be fed with nutrient solutions regularly, as they don't have access to nutrients from soil. The frequency of feeding can vary depending on factors such as the type of plant, its growth stage, the specific nutrient solution being used, and environmental conditions.

As a general guideline, most hydroponic systems require nutrient solution replenishment every 1-2 weeks. However, it's essential to monitor the plants closely and adjust the feeding schedule based on their individual needs. Factors such as plant growth rate, water temperature, pH levels, and nutrient uptake can all influence how often you should feed hydroponic plants. Regular monitoring and adjustments to the feeding schedule will help ensure optimal growth and health for your hydroponic plants.

The frequency of feeding plants planted in soil depends on several factors, including the type of plant, soil quality, weather conditions, and the specific fertilizer being used. As a general rule of thumb:

  1. Young Plants: Newly planted or young plants generally require more frequent feeding to support their rapid growth. They may need to be fertilized every 2-4 weeks during the growing season.
  2. Established Plants: Once plants are established and actively growing, they typically need to be fertilized less frequently. For many garden plants, fertilizing every 4-6 weeks during the growing season is sufficient.
  3. Heavy Feeders: Some plants, known as heavy feeders, have high nutrient demands and may benefit from more frequent feeding. Examples include vegetables like tomatoes, peppers, and cucumbers, as well as flowering plants like roses and dahlias. These plants may require fertilization every 2-4 weeks during the growing season.

It's important to monitor your plants closely and adjust the feeding schedule based on their individual needs and the conditions in your garden. Over-fertilizing can lead to nutrient imbalances or damage to plants, so it's better to err on the side of caution and fertilize less frequently than to overdo it. Additionally, always follow the instructions on the fertilizer label and use the recommended dosage to avoid harming your plants.

How to measure pH?

Measuring pH in hydroponics is essential for maintaining optimal nutrient uptake and plant health. Here's how to measure pH in hydroponic systems:

  1. Collect a Sample: Use a clean container to collect a small sample of the nutrient solution from your hydroponic reservoir. Make sure the container is large enough to accommodate the pH meter or test kit.
  2. Calibrate the pH Meter (if applicable): If you're using a pH meter, it's crucial to calibrate it according to the manufacturer's instructions before taking measurements. Most pH meters come with calibration solutions of pH 7.0 and pH 4.0 or pH 10.0. Follow the instructions to calibrate the meter using these solutions.
  3. Insert pH Meter or Test Kit: If you're using a pH meter, carefully insert the electrode into the nutrient solution sample, ensuring that it's fully submerged. If you're using a test kit, follow the kit's instructions for preparing and adding the test reagents to the sample.
  4. Wait for Stability: Allow the pH meter reading or test kit color to stabilize. This typically takes a few seconds to a minute, depending on the equipment you're using.
  5. Record pH Reading: Once the reading stabilizes, note the pH value displayed on the pH meter or compare the color of the test solution with the color chart provided in the test kit. Record the pH value for future reference.
  6. Adjust pH if Necessary: Compare the pH reading to the optimal pH range for the specific plants you're growing in your hydroponic system. If the pH is outside the desired range, you'll need to adjust it by adding pH-up (to increase pH) or pH-down (to decrease pH) solutions according to the manufacturer's instructions. After making adjustments, allow the nutrient solution to circulate for some time before re-measuring the pH to ensure it has stabilized.
  7. Rinse and Store Equipment: Rinse the pH meter electrode or test kit components with clean water after use to prevent contamination and damage. Store the equipment according to the manufacturer's recommendations to maintain its accuracy and longevity.

Regular monitoring and adjustment of pH in your hydroponic system will help ensure optimal nutrient uptake and overall plant health.

What is the difference between 2 part and single part formulas?

Is this an organic product?


Can I cancel or edit my order?

It is not possible to cancel or edit an order once it has been processed.

Sometimes, we can stop your order before it moves to the next stage, giving us a chance to adjust what you've ordered. To do this, please reach out to our Support Team right after placing your order, using the same email address you used to make the purchase. Submit a support request with the link below.


How to use discount codes?

To use a discount code on your purchase, make sure to enter a valid code and press Apply before proceeding to payment.

If the discount code box does not appear at this stage, it means that all discount codes are currently disabled - this may be due to a site-wide campaign that is currently ongoing, as discount codes can not be stacked or combined.

Usually, personal discount codes have an expiry date, after which they no longer work - as most codes can not be extended, it is best to make use of them in a timely manner.

Where can I contact customer service?

For immediate assistance contact us through Facebook or Instagram Direct Message. Otherwise you can submit a support request here



What countries do we ship to?

We currently ship to the United States and Canada.

How fast will my order be shipped?

We strive to ship all orders as quickly as possible. However, during high volume times such as special events and sales, orders may be delayed. You will receive a email with tracking information once the item is shipped.

All orders require 1-4 business days of processing time to be picked, packed and prepared for shipping. The estimated delivery time is determined based on the delivery location. Shipping times may vary between 1-10 Days.

Shipping fees

HydraGarden currently provides one Free Shipping option and 2 expedited options. Free Shipping will deliver your package using standard shipping methods and there is No Minimum Order. Our shipping partners will prioritize your package and work to deliver it as quickly as possible.

Tracking and delivery

After an order is placed, a confirmation email containing the order number will be sent. Once the order gets processed and shipped from our warehouse, another email notification with tracking details will be sent.

Use the tracking link provided to you in your shipping confirmation email to track your package. Check your spam folder if you have not received the shipping confirmation.

In case you have any further questions regarding shipping or your order status, please feel free to contact our support team.


Missing packages or wrong Items

For missing packages, if your parcel has gotten lost in transit, we will do our best to determine its location or arrange re-delivery, please submit a support request and provide as many details as possible.


For wrong items received, send us a message at


In the message, include the following:

  • A photo of the item you received
  • Your order number

If the wrong items are shipped due to an error in our warehouse, the correct items will be delivered to you free of charge. However, if the items delivered match with the items in the order confirmation, a re-shipment can not be arranged free of charge.

Returns & Refunds

Are HydraGarden products covered under warranty?

All HydraGarden products have a warranty of 90 days. There is no need to register your product's warranty with us, as the warranty period begins automatically on the date you receive your product. Please make sure to keep your proof of purchase (order confirmation email, or order number) so we can refer to the beginning of your warranty period if needed. 

Can I return a product?

Our return policy lasts 90 days. If 90 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. Please read our Refund Policy


To complete your return, please submit a support request.