SKU: 3557406142
deep square plastic plant pots

deep square plastic plant pots Tall Plastic Pot w/ Grodan® Grow Cubes, 5” Tall, 3.5” Square – Deathalotus

Sale price$23.40 Regular price$26.00
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Description

deep square plastic plant pots Tall Plastic Pot w/ Grodan® Grow Cubes, 5” Tall, 3.5” Square – DeathalotusLightweight, injection molded, black plastic pot filled with Grodan Grow Cubes also known as Rockwool, an inert, lightweight and sterile growing medium. Well known in horticulture for its excellent water retention capabilities and efficient drainage, Rockwool is also a pathogen and pest resistant growing medium. To prepare the growing medium, first poke a few holes into the plastic wrap covering the Grodan Grow Cubes and through the drain holes in the

Lightweight, injection molded, black plastic pot filled with Grodan® Grow Cubes also known as Rockwool, an inert, lightweight and sterile growing medium. Well known in horticulture for its excellent water retention capabilities and efficient drainage, Rockwool is also a pathogen and pest resistant growing medium. To prepare the growing medium, first poke a few holes into the plastic wrap covering the Grodan® Grow Cubes and through the drain holes in the bottom of the pot, then follow these steps:

Prepare Water: Fill a small bucket or tall container with enough RO, distilled, or deionized water to submerge the pot. *Ideally, the water should be adjusted to pH 5.5 with either 100% pure lemon juice or other organic pH adjuster (pH Down). Pure water is pH neutral (7.0), so add pH adjuster one drop at a time, checking water with a pH tester until desired pH is attained. *If this step proves too cumbersome, soaking and rinsing the cubes several times in pure distilled water will suffice.

Submerge Pot: Next, place entire pot into the water solution, submerging pot completely. You’ll know when the growing medium is fully saturated when the pot no longer floats. Rotate the pot around to remove all bubbles until fully saturated.

Drain Excess Water: Maintaining that the cubes are fully saturated, remove from bucket/container, letting the excess water drain from the pot’s drainage holes.

Prepare Pot: Remove the plastic wrap/tape covering the pot. Displace enough media from the pot to make room for the plant/plug/root ball and you are cleared for transplant!

Optional Check Wet Weight: Note the wet weight of the planted pot of cubes when fully saturated, and let this be your guide for future watering cycles. Even better, if you have a small kitchen scale, weigh the plant in the pot with the cubes fully saturated.

Grower’s Notes: By allowing the Grodan® Grow Cubes to drain freely, over-watering becomes more difficult. The amount of water required between watering cycles is going to depend on the size of your plant, and your own growing conditions: light, temperature, and, especially, humidity, which drives plant transpiration and water uptake. So remember, your irrigation program will depend on your environment and your plant’s needs. Check out this short video for visual reference.

The tray method of watering is just one means of irrigation; overhead watering is another. Just maintain that trays drain or dry completely between watering so that the media maintains a balance of air and moisture. In our experience working with this media, Rockwool/Grodan® Grow Cubes have a similar capillary coefficient to long-fibered Sphagnum moss, that is, the cubes have similar wicking and water retention properties.

Rockwool/Grodan® Grow Cubes is an excellent growing media for Cephalotus and other carnivorous plants. Cephalotus growing in Grodan® Grow Cubes won't get water stressed until the Rockwool is almost completely dry. When in doubt, you can test one of the cubes from just below the surface and squeeze it. Here’s another short video demonstrating this technique. Be aware that this moisture gradient increases towards the bottom of the pot; cubes down below will always be wetter than those up top. And lastly, it’s a good practice to flush the media with pure water (or rainwater) 4X/year to help remove any mineral or organic build-up in the media.   

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SKU: 3557406142

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C. Weaver
Massapequa, US
★★★★★ 4
Light, organized, security concern about strap
Color: Black+Gunmetal Grey, Size: Large, Color: Black+Gunmetal Grey, Size: Large
I used this passport holder on a recent multi passport trip and overall it does what it claims without feeling bulky. The nylon material is lightweight but reasonably sturdy and holds its shape well in a backpack or day bag. It does not feel flimsy, and still looks new with the stitching and zippers holding up well Organization is the strong point. On one side I was able to fit three passports comfortably, though the pockets are not a uniform depth. The pockets are loose enough you can also double up if needed. A fourth passport fits on the opposite side along with several credit cards. There are zippered pouches inside and outside useful for cash and a phone, plus open access pockets that work well for boarding passes or documents you need to grab quickly. There is also a small storage area above the credit card slots that turned out to be useful, though listed for SSD storage, I stored a couple of CR2032 batteries there for Bluetooth trackers. The RFID blocking is a basic but expected feature and worked as intended. Nothing about the layout forces cards or passports to bend, which I appreciate since I tend to keep this packed while moving through airports. The shoulder strap is my main criticism. It is thin and functional but could be cut fairly easily. I would prefer to see embedded wire or a more reinforced strap for better security in crowded areas. The handle is fine for short carries, but the strap is what you rely on most of the time. The included Bluetooth tracker works well enough for proximity alerts, but it is not compatible with Apple Find My. I ended up removing it and using an AirTag instead, which fit without issue and gave better ecosystem integration for me. Overall, this is a practical, lightweight travel organizer that handles multiple passports and documents well. The layout is thoughtful and flexible, and the build quality matches the price point. The strap and tracker limitations are worth noting, but the core function as a family passport holder is solid.
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Reviewed in the United States on January 11, 2026
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Patricia A. Roy
Battle Creek, US
★★★★★ 3
Nice for travel
Color: Black, Size: Large
No fashion statement here but useable for my trip.
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Reviewed in the United States on May 8, 2026
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berenice lopez
Alexandria, US
★★★★★ 5
Bere
Color: Gunmetal Grey, Size: Large
Tiene buena capacidad, es ligero y cómodo ideal para cuando sales de viaje puedes guardar lo esencial
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Reviewed in the United States on April 21, 2026
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Mikala
Birmingham, US
★★★★★ 5
Very Impressed, Great Deal
Color: Black, Size: Large
Purchased this as a gift for my travel clients who are going to Greece and I am so glad I did! At $9.99, it is such a great deal! And I love that it has RFID blocking, as well as a Bluetooth tracker, just in case. I'm excited to hear feedback from them and hoping the bluetooth tracker actually works! But so far, very impressed.
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Reviewed in the United States on March 24, 2026
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Rosemary Luebrecht
Houston, US
★★★★★ 5
Fits passport and other important travel documents easily and safely
Color: Haze Blue+Dusty Blue, Size: Large
Beautiful color, great quality for the money, easy to use I was able to put my passport and other documents in one secure place. Fits perfectly with no heavy luggage to carry it in. Highly recommend for the traveler
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Reviewed in the United States on February 6, 2026

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