ThriveCaps | Aquarium Root Fertilizer Tabs Caps 60 Count
$17.85
Price: $17.85
(as of Nov 09, 2025 07:21:11 UTC – Details)
ThriveCaps | Premium Root Zone Fertilizer Capsules | 60 Tabs New and Improved: ThriveCaps are a very similar product to the previous ThriveTabs, with a few improvements. These capsules dont require any additives to make them stick together which allows them to be smaller and more concentrated while still delivering similar nutrient levels. Another improvement has to do with ThriveTabs causing clouding in some tanks. I changed the formula a bit to reduce this. I had a few people who had clouding issues with ThriveTabs try ThriveCaps. None of them had the same clouding issues!!!! ThriveCaps – Substrate additive for planted aquarium Contain Micro and macro elements as well as other minerals ThriveCaps are nutrient rich capsules which are intended to be placed in the substrate of a planted freshwater aquarium. They will provide a long lasting nutrient source essential for healthy plant growth. ThrivedCaps are a blend of dry Thrive mix, iron rich clay and mineralized top soil. How To Use? Place a capsule at the base of each plant or space out around the tank every 5-6″ in a grid pattern. Push down to the bottom of the substrate as far as you can. Replace every 3-4 months or as needed.
Is Discontinued By Manufacturer : No
Package Dimensions : 3.31 x 2.09 x 2.09 inches; 2.12 ounces
Item model number : 00810122821304
Date First Available : January 2, 2018
Manufacturer : NilocG Aquatics
ASIN : B07M8DTQ4D
Best Sellers Rank: #10,849 in Pet Supplies (See Top 100 in Pet Supplies) #75 in Aquarium Water Treatments
Customer Reviews: 4.3 4.3 out of 5 stars 1,491 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
ThriveCaps are nutrient rich tablets which are intended to be placed in the substrate of a planted freshwater aquarium. They will provide a long lasting nutrient source essential for healthy plant growth.
ThriveCaps are the only commercially available aquarium specific root tabs that contain all the necessary micro and macro nutrients so your plants can THRIVE
Other competitor tabs claim the fact that they lack certain nutrients(Flourish tabs dont contain nitrogen or phosphate) is a good thing. This just isnt true. They are necessary for the survival of the plants.
60 Count Caps | 1 grams Per cap
ThriveCaps are a blend of dry Thrive mix, iron rich clay and mineralized top soil.
Customers say
Customers report explosive plant growth and find these fertilizer tabs to be of good quality, offering great value for money. However, they have mixed experiences with ease of use, with some finding them easy to use while others describe them as frustrating to work with. Moreover, customers report issues with floatability as the capsules tend to rise to the surface of the sand. Additionally, there are concerns about disintegration in the water column and the formation of bubbles and foam. The greenness aspect also receives mixed feedback, with some customers reporting red plants looking more colorful while others mention the water turning green.
Amanda –
Great product!
I love these capsules. They don’t dissolve like the API ones while you’re trying to get them in the substrate. If you pinch them and let the air out, they do not float. I’ve been using these about 3 months now, and have not had any come back up. My plants are all looking very healthy and green, and are growing much faster now. Also super cost effective!
Crossfire22 –
In ThriveCaps we trust
Great results from fertilization.Here’s a tip if using, take a toothpick, thumb tack and stab a small hole into the capsule and expel all the air in it as it will float when you attempt to place it into the substrate
Bob –
They float
They tend to float up to the top every once in awhile but it’s no big problem and they work good.
Sherri Smith –
Very safe for aquarium novices!
This product is very safe for my fish! I found out through an error I made while trying to insert a floating moss ring into my substrate and I punctured one of the capsules I had inserted 10 minutes before the package of moss arrived and I was horrified that I would lose my fish! Everything was fine I noticed as my Cory’s continued their play and all the other fish staring at me like What’s wrong with you? Then it hit me that they thought of novices like myself when they made Thrive! My fish are still very healthy and my plants are better for it.
Vi –
New packaging, same good product
First thing I noticed when I received my new order of root tabs was that the bottle was different and smaller. Suspicious and a little stressed, I opened it to see it packed with the familiar root tabs I’ve come to love and trust. I didn’t count them, but I can definitely estimate that they put 60 in there.My swords love these and I’ve never seen them grow bigger and greener on anything else. Awesome price for a reliable product.
Meoshi –
I Don’t Know What Happened
UPDATE 6/25/24. Today I decided to finally get some new plants to replace all of the other ones that died after using this product. The oily bubbles that I mentioned in my previous review took months to dissipate even with water changes and me cleaning out the canister and sponge filters. Today, I emptied about 30% of the water to make placing the new plants a tad bit easier. I’d like to mention that normally when I clean the tank, I just lightly run my fingers across the sand and poke holes with my finger deeper in the sand throughout. The tank was already clean so all I needed to do was plant today. As I inserted the plants which must have been in a lot of the same spots where I had plants before, I unearthed lots of residual fertilizer that was placed 8 months ago. I thought I had gotten rid of it but deep in the sand, there was more. I sucked out all I came across and continued to plant. 2hrs later, I went to look at my oasis and something was off. The plants were all still planted, the fish looked happy but something was off. Then it hit me. There wasn’t a Panda Corey in sight and they’re usually moving about on the bottom. After closer inspection, I see that one was eaten with a few remnants scattered about and 3 were dead under a piece of wood. All was well until I disturbed the old fertilizer that was buried deep in the sand. The water parameters are still good so no spike there and the larger fish appear to be fine. Also no oily bubbles so I assume that comes from the capsule and not the contents. Whatever the case, save yourself the headache and buy something else.ORIGINAL POST- I’ve purchased these 3 times and this last bottle was definitely different from the others. Normally you have a hard time getting them to stay down but this time they actually sank. You would think that’s a good thing but no! When you push it in the sand it disintegrates on contact and you have fertilizer going everywhere. A day after using, I noticed that 4 of my plants were not looking too good. A day after that, they were almost transparent and a day after that, what was left of them was mush. When I went to remove them, they were so soft that they just fell apart and I had to catch the debris with a net. In my other tank, I only have 1 plant. I see that this ones bulb is starting to look rather mushy towards the top. I’ve also lost 4 fish over the last week. Seeing that the only change to the tank is the use of this fertilizer, I can only assume that it is whats killing them. I’ve had them for almost 2 years so these sudden deaths are quite alarming. There’s also oily, thick bubbles on the surface of the water. I have been using the all-in-one liquid fert for years with no problem but I’m done with the capsules.
KTown –
Good for rooted aquarium plants.
Works well to keep certain plants to thrive in a gravel tank.They do float so you have to be careful when inserting them. I use a long, bent arm tweezer to push into the gravel.
applejax –
good if you can get them to stay down
I have two tanks – one moderately planted with gravel and sand, and one heavily planted with sand. I swap plants back and forth sometimes, and the plants definitely grow better in the heavily planted, sanded tank. I figured root tabs might help the moderately planted gravel sand tank, and I have a couple of plants in the sanded heavily planted that would benefit as well.I started with Seachem Flourish tabs from my lfs just to get started. Pricey per tab. NilocG is well regarded in the community, so I checked them out. The full set of nutrients and price per tab made the purchase a no-brainer. I put several in at strategic locations throughout the larger, moderately planted tank.I quickly noticed a significant rise in nitrates. I suspected the NilocG tabs, and a bit of research confirmed this. This did not occur with the Seachem tabs. I guess that’s the trade-off for a full set of nutrients. If you’re dosing an all-in-one liquid fert, is a full dose of ferts necessary at the roots, or is just supplemental adequate? I donât know.In the moderately planted, gravel and sand tank they seem okay. I have good target spots to put them; plant growth has been good lately. The ones under gravel seem to stay down under the weight, and I put it under a rock at the one sand spot.The other tank, howeverâ¦I can’t get the capsules to stay down at all. Ever. If my life depended on it. Can’t do it. Tried every technique here including punching holes, and some others I thought up. They either erupt as I’m wrestling with them, or they will gradually crest out of the substrate. They semi-dissolve quickly, so if you don’t get them in right away, trying to push them back will just rupture them. They attract my corys, though, and they’re fun to watch. Besides the fun corys, about they only thing these are good for in my sanded, heavily planted tank is releasing fertilizer into the water column and jacking up my nitrates.
Client d’Amazon –
Tres bon produit pour les racines des plantes et pour la santé des plantes.
Joël Lamarre –
Pour mes plantes bon pruduits
dex2177 –
My plants seem happy. People who complain about these floating either don’t have enough substrate or aren’t following the directions and shoving them in deep enough.
squeeksfriend –
Great product. My plants have doubled in size in a month
Client d’Amazon –
Bon produit