Aqua Natural Midnight Pearl 20lb Gravel Substrate for aquascaping, Aquariums, vivariums and terrariums 2-4mm, Brown

$24.99

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Price: $24.99
(as of Apr 13, 2025 11:32:16 UTC – Details)


Triple washed and kiln dried – this is one of the cleanest aquarium sustrates available, no toxins, no foreign matter, 100% natural pebble. 2-4mm in size – this aquarium pebble is graded really evenly for consistant sizing and will give your aquascape a natural river bed look with the lighter highlights giving it a more textured three dimensional look.
Product Dimensions ‏ : ‎ 14 x 10 x 2.5 inches; 19.84 Pounds
Item model number ‏ : ‎ MID020
Date First Available ‏ : ‎ May 19, 2022
Manufacturer ‏ : ‎ Pisces USA
ASIN ‏ : ‎ B094QJ1JHW
Country of Origin ‏ : ‎ New Zealand

Triple washed and kiln dried – this is one of the cleanest aquarium sustrates available, no toxins, no foreign matter, 100% natural pebble
2-4mm – this aquarium pebble is graded really evenly for consistant sizing
Ethically and sustainably sourced under license in New Zealand
This gravel will give your aquascape a natural river bed look with the lighter highlights giving it a more textured three dimensional look
vivariums and terrariums

Customers say

Customers appreciate the gravel’s beautiful natural look and high quality substrate, with one noting it’s smooth enough for soft belly bottom dwellers. They find it perfect for plants. The size and washability receive mixed feedback – while some say it’s the right size and cleans easily, others report it’s smaller than expected and comes dirty.

AI-generated from the text of customer reviews

11 reviews for Aqua Natural Midnight Pearl 20lb Gravel Substrate for aquascaping, Aquariums, vivariums and terrariums 2-4mm, Brown

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  1. Sharper

    Beautiful natural colors!
    I did a big overhaul of my aquarium recently, removing sand. This gravel was the perfect replacement! The grains are small typical gravel, but too heavy for my pleco to dig in – yay! Inserting plants, especially stems, was a breeze as the gravel held roots and stems down nicely. I’d say these are smooth enough for soft belly bottom dwellers, but there were some pieces that were a little rough. Still, I think you’d have no issues with your Cories.It does say these have been triple washed, but the water came out very dirty when I rinsed, so I suggest triple washing again.I wanted something natural looking and small grain. I’m very pleased with this gravel.If you’re unsure how many bags to get, I used 4 bags for a 55gal aquarium, but I think you’d get by with 3 if you don’t have big root feeding plants.

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  2. Amazon Customer

    Nice looking substrate!
    I really like the blend of colors present in this gravel! Decently uniform grain size, and it’s not too rough. Most of the pieces have rounded edges, but there are some that seem a little rough. I used the Aqua Naturals Sugar White sand for my foreground, the two work well together.Seems to be a decent plant substrate, holds them down well. Just pop some root tabs under your heavy root feeders to keep them happy, since this substrate is inert and doesn’t provide nutrients by itself.As for the reviews where people are complaining about having to wash the gravel because it’s dirty, lift a finger to help yourselves. Even if the manufacturer triple washes it, it’ll still get jostled around and ground up a little in transit. Cleans up really nicely.The price on this was much better on Amazon than in a big box store, almost half price.

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  3. Lara

    Natural looking- happy with it in my mini pond
    I bought this for the bottom of my mini outdoor pond. So far, it looks great. The fish and plants seem to be doing well with it. The pebbles (if you can call them that, they are quite small but not sand small) do not jam up the filter or the vacuum when it comes time cleaning the pond.

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  4. FloydO

    Nice colors and really clean gravel, just needed a quick rinse prior to use.
    Liked the variation of color all natural looking, the size is perfect, and product was really clean just needed the dust from shipping rinsed away.

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  5. Kristin

    Looks Fantastic!
    This bag offers a lot of coverage! I purchased 3 of them to use outdoors over weed blocking tarp. Love these size and variety of stone colors!

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  6. Tabitha Miller

    Very good substrate for reasonable price.
    Detailed review because I was conflicted about Midnight Pearl after reading so many conflicting reviews on Amazon/PetSmart/Petco, but after searching for weeks, it is still the only (affordable) inert substrate of its kind, so I decided to bite the bullet and take a chance on it. This review is definitely skewed towards other beginner fish keepers like myself but I included pictures in case that is helpful! **tank is being re-scaped so please excuse.Appearance:I would describe it almost as more of a very large/coarse-grain sand than a river pebble or gravel (very tiny gravel if anything).Although the consistency of the pebbles I received did not look *exactly* as pictured, it is still not jagged and sharp as some reviewers described. I would feel safe adding Cory’s to my tank in the future as it is very soft to the touch.The color when wet under room light vs. LED makes a huge difference and there aren’t a lot of up-close images of this color variety so I tried to include as many angles to give a good idea about how the color was affected. I have standard LED.Water Clarity Disruption:I started to rinse the pebbles (as pictured) but it didn’t seem too dirty, so everything went straight in. I forgot to take a picture of the murky water, but it was nothing some water clarifier couldn’t handle.Very few floaters/reject pieces.The picture of the gravel in tank is the morning after adding clarifier. (It’s still a bit hazy, but I’ve also been battling an algae bloom prior to adding substrate.)Value for $:The Volume of my tank is 20 gallons (20 Tall to be exact) and the 20lb bag gave me easily 1-2 inches of substrate depth throughout.This is a great substrate if you’re trying to move toward a more natural look (as a beginner) and want something inert that will support plant growth better than a fine sand. Can’t wait to add more plants and root tabs and watch them grow!Summary:This is a very high quality gravel substrate. If you’re looking for something on the finer side (not too clunky/bulky) but also don’t want sand, this is the perfect compromise! Hope this review was helpful. 😁

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  7. Amazon Customer

    Cool blend of colors.
    Good quality. Cool color.

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  8. Letitia

    Our GO-TO aquarium substrate
    We have used this brand for several freshwater aquariums. A couple rinses, and it is ready to go. The color is attractive with our aqua-scaping decor and hides waste well. Particles are rounded enough to be safe for our cories and loaches, and their size is easy to Python clean.

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  9. Samantha

    As other reviews suggest, the gravel requires thorough rising and the colour you recieve may vary from the advertisement; my gravel appears quite reddish and not as dark as advertised, but camouflages poop and debris well. Works fine for my needs so I am giving 5 stars.

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  10. Chris

    Super clean

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  11. Urszula Kapala

    They look great, bag says “triple washed” but please for the love of God wash them before putting into the tank (obviously), they’re still very dirty lol

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    Aqua Natural Midnight Pearl 20lb Gravel Substrate for aquascaping, Aquariums, vivariums and terrariums 2-4mm, Brown
    Aqua Natural Midnight Pearl 20lb Gravel Substrate for aquascaping, Aquariums, vivariums and terrariums 2-4mm, Brown

    $24.99

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