Flourite, 7 kg / 15.4 lbs

...if you rinse well it's not as bad as some of the reviews. I'm very happy with this type of substrate. I had gravel in my 3 tanks before I discovered this stuff, and the gravel was so dirty and my plants weren't thriving. I bought flourite black and was afraid even after rinsing many several times in a half hour that it would murk up my tanks. I put all my fish and plants in a giant plastic tote with their filter/heater/decor for a couple weeks while changing substrates and cycling again. The murk went away pretty quick, I had clear water within an hour. The way I rinsed: Dumped 1/2 bag of flourite in a large bucket. Rinsed by filling bucket with water over substrate and BLASTED IT with the hose until I filled the bucket with water. Let substrate settle to bottom (some flourite may blast out but it's an insignificant amount, in my opinion) then let water drain almost completely.... Then repeat this about 10-15 times or until it's only slightly murky. Dump in aquarium and fill with water as usual and set up as usual. After planting live plants and blulbs of water lily & water onion, and another type of seed in this substrate, I'm convinced this is the best substrate for my tanks. The bulbs I planted in this substrate that would not grow in the gravel are thriving in the flourite, they look beautiful. It has not clouded up anything and it looks more natural in the tanks. You can also see the fish scale color is much brighter against the natural and dark substrate. I bought this clay colored kind for my red claw crab/guppy tank. I haven't planted this one yet but I will update with pictures in a month or so. The pictures posted right now are with flourite black. Another thing about this stuff is: there are larger pieces and smaller pieces. I thought it would be more sandlike but I actually like it better than some other actual sand substrate. Just thought this might be nice to know in case other buyers expected it to be more like sand. It's actually small clay pieces. Your aquatic plants will love it! **update** 2 days later: So I wrote a review a little early for this flourite... Yesterday I almost came back to leave a 1 Star review... But I'm going to leave it at 5 because even though the dust was BAD with this red clay substrate compared to the black clay... It took 15 rinses with a hose outside and then I added it to my tank and filled with water... It was fully murky for 24 hrs. I put my decor and plants the filter in to help and ended up taking everything out after the 24 hours and rinsing everything off (it was covered in red dust/sludge).. Draining all of the water again and then refilling with water. Be sure to put a bowl with tall sides in to pour the water directly into the bowl so you don't disturb the substrate as much as possible. Let the water sit with NO filter going for a few hours and then let it run overnight with the bowl under the water flow if you have a filter that drops water). Then do not to disturb the substrate again when placing your decor... I placed a large abalone shell under my filter to keep the substrate from getting pushed around. (I know... Pain in the A but... Look how natural and beautiful my tank is!!)... Anyway, if you don't mind a little work for an amazing substrate with great results of you keep a planted tank... This stuff is really worth it. I probably personally will never buy this red stuff again but the black stuff is great... Low dust and the plants grow like wild in there! My crab seems to like it as well! My first two pictures are with the black flourite and the second two are with the red, as you can plainly see.

This substrate has a clean, nice natural look. The material is chunks of clay and minerals. Supports a great biofilter and seems to be just right to buffer the pH and maintain mineral hardness (GH and KH). Never vacuum it and instead to large RO water changes each week. If you are adding this to an existing tank or there is livestock in the tank, you should wash it first. Rinse it and agitate it until the runoff is clear, then mix it around and rinse some more. Use a strainer with small holes. This substrate gets very dusty during shipping and if it is not washed your water will turn red and the TDS will skyrocket and may injure any livestock. That said, if you don't have livestock there is no need to wash the substrate and it's probably better not to, because it is good to have a diverse mix of particle sizes and washing the substrate removes all or most of the smaller sand like pieces. The finest particles will settle to the bottom of the substrate and add surface area to the biofilter, which will filter the finest pieces of detritus (fish and plant waste) as it settles downward. The beneficial microbes turn the detritus into dissolved nitrates which you remove by doing large water changes and having plants that consume it. Again, this is without ever vacuuming the gravel. Water testing for ammonia, nitrate, nitrate, GH and KH, is of course recommended.

I ended up cancelling my order in Amazon and bought at a local pet store instead due to the 3 item limit, as I needed 6 bags for my 75 gallon tank. I bought this tank as an upgrade to a 30 gallon, coming from generic pet store gravel and sand. Here's my thoughts. Going into this I knew it was going to be hard work. If you're not going to thoroughly wash the flourite, don't buy it. I had 6 bags and spent over 30 minutes washing each individual bag for a total of 3+ hours if straight rinsing. My hands are very soft now, but due to jagged edges on some of the flourite, my cuticles are very scraped up now. Rinse and rinse and rinse and rinse these. After about 20 rinses through my 5 gallon bucket, the water is still pretty murky. It's impossible to get the water absolutely clean while rinsing, but if you can fill up a 5 gallon with water and 1 bag of flourite, and see your hand at the bottom of the bucket, rinse it a few more times and you'll be good to go. The more you rinse the more you'll love yourself when it's over. The river pebble color when it's over is so worth it. I wanted to include two pictures with this review, but Amazon isn't giving me the option (probably because the order was cancelled). The tank was super cloudy when I added water to the tank, even trickling water in using the bowl/plate method, but 36-48 hours after letting it settle and letting my filter take care of the rest, it was crystal clear. No water changes. Ill update my review once I see how the plants are growing. The old tank really stunted the growth of all of my plants, so I'm hoping with this substrate and the space, they'll begin to thrive. 100% worth the money and effort, but if you're not willing to spend hours rinsing and cleaning, don't buy it. Otherwise you'll ruin your tank.

Ok, I have used this before in other tanks and let me say these rocks are awesome. I like the natural look and plants seem to do well in them. My fish also love to pick them up and move them around to make little trenches for themselves. So why the 4 stars? Well that’s my only gripe in the sense that the company producing these should take a little more time to clean them and get the mud out. You will need to heavily wash and/or soak these prior to putting in your tank as the mud factor alone will destroy your set up or even filter. Since I used these before I was aware what to do this time around and let me say I actually strained the mud out of a big bucket upon cleaning and there was so much I filled up a little tin can with mud. Why save the mud? Well I play baseball and coach baseball too and the mud is pretty much very similar if not the same, IMO, as the rubbing mud used for baseballs when you have new balls. Seriously, no joke, so I have baseball mud for quite a while now too. Which I won’t complain about, but for most people not familiar with this gravel you really really have to clean these rocks very well. And even then I still get trace amounts of the sediment in my filter media via the undergravel filter. Just please take your time and clean these if you purchase. To the company....you guys should be saving the mud and selling to baseball people like me as it works very well. Also, it would just be nice to not have to spend so much time cleaning these when they are new, but I can see how making little rocks like these can produce the biproduct of muddy rocks. Still, I like them and it’s a very nice natural look in a fish tank.

Very beautiful colors! My bag was slightly damp when I opened it and all covered in clay from the dust. I took a strainer and rinsed a small amount each time till the water ran clear. I dumped it all in the Amazon box it came in and set it out to dry overnight. That makes it so you can sift the dust off. We poured the water very slowly over a bowl or my hand. I also added the plants with minimum water in the tank to not agitate up the dirt. It was still just slightly cloudy but nothing my filter can't handle. The picture included is from 30 minutes after adding the water! RINSE RINSE RINSE. I love all the colors of it and can't wait to see plant growth! I did also add flourish tabs to the substrate. It has a wonderful natural look to it, but without being dull or flat. This is a ten gallon tank and it perfectly covered 2 inches (though I did scape mine to be higher in the back). It would be a bit pricey for larger tanks if you used only this, but nano tanks like mine it's perfect.

this is my first planted substrate I have only had this in my tank a few weeks and this seems to be a pretty decent, I didn't expect this was going to be red as on package it shows a dark color which is what I was expecting,its more of a gravel rock type,so if you want dark buy another product or fluorite black/dark when I first put it in even after washing it many times it made my tank very cloudy dust reddish brown color. couldn't see my fish for awhile..so this is how I used it. I've added some tips for first time users. wash it very well, there are strain holes on the sides of the bag,(which I used) I recommend using another method maybe a paint strainer bag to wash and drain it in that..secondly I removed the fish and put them into my second tank. Since I removed all of my old gravel. before adding this in my tank,lastly replanted my plants.. I used the plate method so water wouldn't mix it up anymore then it already did. After a day or so once settled down and ensuring the tanks water test was safe. I re added my fish to their original tank, I had to run two filters for a few days,I have noticed my newly planted plants have had massive new growth and I was able to cut down on the liquid fertilizers I was using them from 3x weekly and currently down to once a week after a water change.. other then the color and the cloudy messy red dust everywhere I am fairly happy with this product,I would only recommended this if you are just starting a new tank with no fish or have a secondary fish tank. it was just kinda ugly cloudy for a while, since the plants are doing well so far. Very happy with it. Most of the negative feedback seems they didn't wash it well enough or just threw it in their tank. many of the similar product reviews are the same. as long as you use it correctly it works great.

It definitely needs to be rinsed before use. The fish and plants are thriving, and the overall look is amazing. An excellent substrate for planted aquariums—great quality, a natural look, and plants root beautifully.

I’ve had mine in for a year and a half now and my plants are doing great (not just because of the Flourite, of course). I just tested my Flourite by removing some and placing it in a glass of RO/DI water. It is still producing the same level of iron - about .25 ppm, just the right amount for the roots. It does not affect pH or TDS. You will find that the most respected planted-tank ‘experts’, found all over the Internet, highly recommend this product. Ignore the complaints about the dust. Yes, it’s true that it is very dusty when first opened, but you can’t have a clay-like material with as many jagged edges (not sharp enough to harm or rip anything) as each Flourite granule has, abrading each other during packaging and shipping, without creating dust ...unless you are buying a package of diamonds. I cleaned it by putting it in a bucket, placing a hose in the bucket and, while moving the stream through the Flourite, stirring it with my hand while the water overflows, taking the dust with it. Now, when you first put it in the tank after washing it, there will be very little dust. It will settle quickly and you can vacuum it of the substrate surface easily. You can also do a deep vacuuming the first week or two to remove most of the remaining dust below the substrate surface. However, once your plants start to take root, don’t do any more deep vacuuming. You should leave the substrate undisturbed so that the nutrient build-up remains there for the plant roots.

Dovuto lavare centinaia di volte prima di metterlo ma bello e sicuramente lo aiuta tanto in maturazione.

I’ve read countless pages to wash it or not...WASH IT. Wash it 20 times! You will rue the day you wash it any amount of times less. This WILL destroy your tank water unless you wash it

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This is a neutral colour substrate, Just what u need for a planted tank, One thing I would say is you really need to wash it really well before putting into your aquarium.

Best substrate for getting plants to root in and grow. It's a substrate I've used on every planted tank (10+) setup over the years. Washing it does kind of suck as it clouds the water very quickly. I would suggest instead to put it in one of those veggie strainers and wash it before you add it into the tank.