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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
For Your Every Summer RSVP, with Code: SUMMER15
Description
Dolomite Substrate 1-3mmGrain size: 1 3mm. stabilises pH and hardens the water perfect for rock biotopes: Tanganyika, Malwai, Lake Victoria giving an alkaline reaction. The fish that inhabit these lakes do not live in the ooze (up to 0. 5mm) but in the sand 0. 5< 3mm which also allows the gills to be cleaned. At the bottom of the page, there is a calculator that allows you to calculate the appropriate amount of substrate. 100% NATURAL. Every owner of underwater pets knows
Grain size: 1-3mm. -stabilises pH and hardens the water -perfect for rock biotopes: Tanganyika, Malwai, Lake Victoria -giving an alkaline reaction. The fish that inhabit these lakes do not live in the ooze (up to 0.5mm) but in the sand 0.5< 3mm which also allows the gills to be cleaned.
At the bottom of the page, there is a calculator that allows you to calculate the appropriate amount of substrate.
100% NATURAL. Every owner of underwater pets knows that decorations and aquarium substrates not only look nice, but also affect the environment of our fish. That is why it should be ensured that most of them are natural. Not artificially coloured and looks natural.
Some of the used sands have very little influence on the chemical values of water. It is therefore advisable to use such materials for the substrate of Tanganyika aquarium which would have a high content of magnesium reacting with our water. Such rocks include DOLOMITES.Metasomatic dolomites were formed in the process of metasomatic transformation of limestone (calcite) deposits. In this process, the calcium carbonate they contained was partially displaced by magnesium carbonate. The source of magnesium in these transformations was sea water.
Before use, we recommend that you only pre-wash the substrate, please do not do this thoroughly because it is a never-ending work. After pouring out the substrate into the aquarium and covering it with water, a natural cloudiness may occur, which will disappear very quickly after starting the filtration.
Please note that the total weigh of a bags may vary +/- 2%
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Exchange/Return Notes
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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Classic and expensive looking
Color: Vintage Green, Color: Vintage Green
Love this addition to our bust collection! The dark green really looks like old metal. A bit on the small size but true to specs. This is still a great looking bust but it's just not very large. I suggest 14-16 inches or over if you want something more substantial.
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Reviewed in the United States on October 27, 2023
★★★★★ 5
Dermatologist recommended it!
Size: 1.3 Ounce (Pack of 1)
This is my 11th order of this product. I originally started using it a few years ago when my dermatologist recommended it during a period of hormonal acne. I’ve been using it ever since. I have very sensitive skin that usually reacts to almost everything, either with redness or breakouts, but I can use this cream comfortably without any issues. It is very gentle, deeply hydrating, and has become a permanent part of my skincare routine. It is definitely worth the price. Even a small amount provides excellent hydration and it lasts a long time. I also love that it has a natural ingredients and is fragrance-free.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Game changer.
Size: 1.3 Ounce (Pack of 1)
I moved out to Arizona back in 2020 and shortly after that, I became a reptile. My skin would become flaky and peel and I tried several different types of facial creams and lotions with no luck. I went to a dermatologist who recommended CeraVe, and it did help my skin to an extent. It took care of the flakiness, but I would still see the dryness, especially when I looked in the mirror up close. I recently was on Google doing a search and came across this brand. I thought I’d give them a try and though I was skeptical, my skin has not looked this good in years. My skin feels smooth, hydrated and NO greasiness. I highly recommend this product.
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Reviewed in the United States on September 1, 2025
★★★★★ 5
Wonderfully effective and slightly bougie
Size: 1.3 Ounce (Pack of 1)
I have dry not so sensitive skin. I love the way this smells and feels on my tired parched face.
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Cleared up my flaky skin problem, helps keeps my facial skin soft year round
Size: 1.3 Ounce (Pack of 1)
I bought this full-size tube of Avene Hydrance Optimale Rich Hydrating Cream after falling in love with a small sample tube that came in a subscription box. At the time I received the sample, I was battling an unusual case of dry flaky skin that was embarrassing. Within a few days of regular use, my skin looked like new. Soft and clear. The tiny sample lasted a long time, so I didn't hesitate to buy the full-size tube even at this price. I use this every morning and night after cleansing my face. My skin stays soft, even with the dry winter skin and drying indoor heat. My makeup glides on smoothly. This is my go-to moisturizer year round now.
Another reviewer mentioned being concerned her product may be counterfeit. I only buy products like this when it says Sold by Amazon and not a third party so I make sure I get authentic, fresh products every time.
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Reviewed in the United States on February 26, 2018