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Seachem PhosGuard, 100 mL bagged - 67101850

Description:

  • Rapidly Removes Phosphate And Silicate From Marine And Freshwater Aquaria
  • Highly Porous For High Capacity And Bead Shaped For Optimum Water Flow
  • Outperforms all competing products
  • Not Recommended For Phosphate Based Buffers In Freshwater Aquaria
  • 100 milliliters treats 60 US gallons
  • Review:

    5.0 out of 5 stars Effective and Reliable Phosphate Remover for Aquariums

    T.B. · February 17, 2025

    I’m absolutely thrilled with Seachem PhosGuard and here’s why I’m giving it a 5-star review:1. Excellent at Removing Phosphates: I’ve been dealing with high phosphate levels in my aquarium for a while, and Seachem PhosGuard has been a game-changer. After using it for just a few days, I noticed a significant reduction in algae growth, which was one of my main concerns. The product works efficiently at removing phosphates, improving water clarity, and maintaining the overall health of my tank.2. Easy to Use: The 100 mL bag is convenient and easy to place in the filter. It’s designed to be used in a filter bag, which makes it super simple to add to your system. I also appreciate that it’s not messy and doesn’t leave any residue in the tank once it’s in place.3. Safe for Aquatic Life: I love that Seachem PhosGuard is safe for my fish and plants. I’ve had no negative effects on the aquatic life in my tank after using it, which is a huge relief. It’s one of the reasons I trust Seachem products—they’ve always proven to be gentle on sensitive ecosystems.4. Fast-Acting Results: The results were quick! My water cleared up in just a few days after starting to use it. You can see the improvement in the clarity of the water and a reduction in algae build-up. If you have any phosphate-related issues in your tank, this product will definitely help.5. Long-Lasting: While the bag is small, it goes a long way! The 100 mL lasts quite a while, and you can reuse it for multiple cycles. This makes it a cost-effective solution for keeping phosphate levels in check.6. Great for Freshwater and Saltwater Tanks: I’ve used this in both my freshwater and saltwater aquariums with great success. Whether you’re managing a fish-only tank or a reef tank, this product works across the board.7. Reliable Brand: Seachem is a brand I’ve trusted for years, and this product lived up to the high standards I’ve come to expect from them. Their products are always effective and reliable, and PhosGuard is no exception.Final Thoughts: If you’re battling high phosphate levels in your aquarium, Seachem PhosGuard is a must-have. It’s effective, easy to use, and safe for both fish and plants. The results are noticeable quickly, and I’ll definitely be keeping this product stocked in my aquarium maintenance supplies!🌟 Highly recommend for anyone needing to reduce phosphates and improve water quality in their tank!

    5.0 out of 5 stars Thank you Seachem

    R. · June 25, 2025

    Great bag of stuff. just a couple days it lowered my phosphates back down in to the normal range

    5.0 out of 5 stars Quickly solved my phosphate problem!

    A.N. · July 5, 2024

    I have a 7 1/2 gallon aquarium that was constantly having a 10.0 phosphate level on API's phosphate test kit. I'd read that Chemipure Blue and Chemipure Elite can remove phosphates, so I tried both of those. Unfortunately, those didn't work, as the phosphate level stayed at or near 10.0 for the most part.Then, I tried doing more frequent water changes, but that didn't help either. I came across this product and gave it a try. After 2 days, there was no change, but on the 7th day after adding this product, the phosphate level had been lowered to 0.0!I'd been having major problems with algae (due to the phosphates, no doubt), but since using this, I've gotten very minimal algae growth in the tank. Good product --- I wish I'd found it sooner.

    5.0 out of 5 stars I am blown the **** away!!!!

    n.r. · February 1, 2023

    I am absolutely blown away by this product. I had brown algae all over my tank and I knew it crucial that I get rid of it before it sucks all the oxygen out my tank and kill all babies. Truth be told I was super hesitant at first but dang this product worked like a charm. Just for reference I have a 20 gallon long and I used two bags. Day one I put one bag on top of my sponge filter and the other behind it as my inhabitants were very curious. Day two woke up that morning and I it was like a dream super clear and all the algae was gone. Day three still going strong but I’m going to have to get another one as the brown algae is still putting up a fight. Definitely recommend this product and will be getting again plus it’s cheaper than the pet-store I work at.

    4.0 out of 5 stars Great filter media but make sure it has good water flow over it

    J.Z. · December 20, 2014

    This product works as described, and I recommend it to others.I was having a phosphates problem for a while in my salt water tank at work because some of my macro algae had broken down in a spot I couldn't reach and was decaying there. I also, unbeknownst to me for a while, had an reverse osmosis/de-ionization filter system that wasn't pulling all the phosphates out of my top-off water. Bottom line, I was able to get the problem in better control using PhosGuard. That's good because the excess phosphates were really feeding some hair algae that had sprung up in my tank.The one thing that you have to note about this product is that it really needs to be in a place where it gets good water circulation over the media. I haven't had much luck in applications where there isn't much flow going directly over the PhosGuard.Additionally, depending on the prices at the time of purchase, you may be able to save money by buying a bag for the PhosGuard and buying the larger quantities of PhosGuard. Once when I did the math, it was about the same price to just keep buying these 100 mL bags, but the next time I needed some it was cheaper to buy the bag and the larger bottle of PhosGuard. Apparently the price of these fluctuate a bit.Other than that, I recommend this to others trying to keep phosphates under control.

    5.0 out of 5 stars Phosguard and Algae control

    B.T. · May 2, 2017

    PhosGuard I am sure is a good product but it is not a cure for algae unless you have a problem with phosphates or silicates which I think most will not. I have several planted tanks. Plants and algae do not go well together so based off reviews I gave this a try. I tried Phosguard and traded one problem for another. What I have found out is most algae thrive on deficiencies control one cause another to pop up. One thing common to most all algae is nitrites, nitrates and ammonia I have started using Purigen and stopped with the Phosguard the plants are much healthier and I have ALL forms of algae under control. I think Seachem make some great products but it is still up to the user to determine what it is that you need. Seems everyone is an expert but 90% of what people tell you is wrong. So try to focus on reliable sources and do all things in moderation. Your tank and your fish will thank you for it. It is not a cure for Algae but under very specific conditions which are not the norm but more of an exception.

    Awsome product for algae control

    S. · August 7, 2018

    Ive had problems with brown algae in my 75 gallon tank for ages,I came across a video of this product and thought i'd give it a try. Best move ever,controls the algae for weeks and when i see new algae i just put in a new pack and its gone. I would totally recommend this product to anyone with an algae problem

    Top

    Z.S. · May 3, 2025

    Top produkt,👍Ich bin sehr zufrieden.

    Best Seachem Products

    a. · July 22, 2021

    Original Seachem product. My water had a lot of phosphates and had diatom nightmare and this product reduced a very little bit. The best thing I recommend installing a UV filter will kill floating diatom to some extent and control it by doing more water changes.The seller is a good and genuine Seachem product

    Buen producto

    J.L.L.C. · February 6, 2025

    Excelente producto. Realmente baja los fosfatos en acuario marino

    Yo temgo un aquarium y de tiempo empezar con phosguard , de agua mismo cristales

    A. · June 28, 2021

    Eso es muy importante por aquarium

    Seachem PhosGuard, 100 mL bagged - 67101850

    Product ID: UO00029CB6B
    Condition: New

    4.6

    BHD378

    Price includes VAT & Import Duties
    Size: 100 ml Bagged
    Availability: In Stock

    Quantity:

    |

    Order today to get by

    Free delivery on orders over BHD 20

    Return and refund policies

    Imported From: United States

    At bolo.bh, we stand behind the authenticity and quality of every product we sell. We guarantee that all items offered on our website are 100% genuine, sourced directly from authorized distributors, trusted partners, or the original brands themselves.

    We do not sell counterfeit, replica, or unauthorized goods. Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support . We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, including images, descriptions, and reviews, is provided by third-party vendors. bolo.bh is not responsible for any claims, promotions, or representations made within product content or images. For more accurate or detailed product information, please contact the manufacturer directly or reach out to Bolo Support.

    Unless otherwise stated during checkout, all prices displayed on the product page include applicable taxes and import duties.

    bolo.bh operates in accordance with the laws and regulations of Bahrain. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in Bahrain are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    Similar suggestions by Bolo

    More from this brand

    Similar items from “Aquarium Water Treatments”

    Seachem PhosGuard, 100 mL bagged - 67101850

    Product ID: UO00029CB6B
    Condition: New

    4.6

    Size: 100 ml Bagged

    BHD378

    Price includes VAT & Import Duties
    Availability: In Stock

    Quantity:

    |

    Order today to get by

    Free delivery on orders over BHD 20

    Return and refund policies

    Imported From: United States

    At bolo.bh, we stand behind the authenticity and quality of every product we sell. We guarantee that all items offered on our website are 100% genuine, sourced directly from authorized distributors, trusted partners, or the original brands themselves.

    We do not sell counterfeit, replica, or unauthorized goods. Each product undergoes thorough inspection and verification at our consolidation and fulfilment centers to ensure it meets our strict authenticity and quality standards before being shipped and delivered to you.

    If you ever have concerns regarding the authenticity of a product purchased from us, please contact Bolo Support . We will review your inquiry promptly and, if necessary, provide documentation verifying authenticity or offer a suitable resolution.

    Your trust is our top priority, and we are committed to maintaining transparency and integrity in every transaction.

    All product information, including images, descriptions, and reviews, is provided by third-party vendors. bolo.bh is not responsible for any claims, promotions, or representations made within product content or images. For more accurate or detailed product information, please contact the manufacturer directly or reach out to Bolo Support.

    Unless otherwise stated during checkout, all prices displayed on the product page include applicable taxes and import duties.

    bolo.bh operates in accordance with the laws and regulations of Bahrain. Any items found to be restricted or prohibited for sale within the UAE will be cancelled prior to shipment. We take proactive measures to ensure that only products permitted for sale in Bahrain are listed on our website.

    All items are shipped by air, and any products classified as “Dangerous Goods (DG)” under IATA regulations will be removed from the order and cancelled.

    All orders are processed manually, and we make every effort to process them promptly once confirmed. Products cancelled due to the above reasons will be permanently removed from listings across the website.

    Description:

  • Rapidly Removes Phosphate And Silicate From Marine And Freshwater Aquaria
  • Highly Porous For High Capacity And Bead Shaped For Optimum Water Flow
  • Outperforms all competing products
  • Not Recommended For Phosphate Based Buffers In Freshwater Aquaria
  • 100 milliliters treats 60 US gallons
  • Review:

    5.0 out of 5 stars Effective and Reliable Phosphate Remover for Aquariums

    T.B. · February 17, 2025

    I’m absolutely thrilled with Seachem PhosGuard and here’s why I’m giving it a 5-star review:1. Excellent at Removing Phosphates: I’ve been dealing with high phosphate levels in my aquarium for a while, and Seachem PhosGuard has been a game-changer. After using it for just a few days, I noticed a significant reduction in algae growth, which was one of my main concerns. The product works efficiently at removing phosphates, improving water clarity, and maintaining the overall health of my tank.2. Easy to Use: The 100 mL bag is convenient and easy to place in the filter. It’s designed to be used in a filter bag, which makes it super simple to add to your system. I also appreciate that it’s not messy and doesn’t leave any residue in the tank once it’s in place.3. Safe for Aquatic Life: I love that Seachem PhosGuard is safe for my fish and plants. I’ve had no negative effects on the aquatic life in my tank after using it, which is a huge relief. It’s one of the reasons I trust Seachem products—they’ve always proven to be gentle on sensitive ecosystems.4. Fast-Acting Results: The results were quick! My water cleared up in just a few days after starting to use it. You can see the improvement in the clarity of the water and a reduction in algae build-up. If you have any phosphate-related issues in your tank, this product will definitely help.5. Long-Lasting: While the bag is small, it goes a long way! The 100 mL lasts quite a while, and you can reuse it for multiple cycles. This makes it a cost-effective solution for keeping phosphate levels in check.6. Great for Freshwater and Saltwater Tanks: I’ve used this in both my freshwater and saltwater aquariums with great success. Whether you’re managing a fish-only tank or a reef tank, this product works across the board.7. Reliable Brand: Seachem is a brand I’ve trusted for years, and this product lived up to the high standards I’ve come to expect from them. Their products are always effective and reliable, and PhosGuard is no exception.Final Thoughts: If you’re battling high phosphate levels in your aquarium, Seachem PhosGuard is a must-have. It’s effective, easy to use, and safe for both fish and plants. The results are noticeable quickly, and I’ll definitely be keeping this product stocked in my aquarium maintenance supplies!🌟 Highly recommend for anyone needing to reduce phosphates and improve water quality in their tank!

    5.0 out of 5 stars Thank you Seachem

    R. · June 25, 2025

    Great bag of stuff. just a couple days it lowered my phosphates back down in to the normal range

    5.0 out of 5 stars Quickly solved my phosphate problem!

    A.N. · July 5, 2024

    I have a 7 1/2 gallon aquarium that was constantly having a 10.0 phosphate level on API's phosphate test kit. I'd read that Chemipure Blue and Chemipure Elite can remove phosphates, so I tried both of those. Unfortunately, those didn't work, as the phosphate level stayed at or near 10.0 for the most part.Then, I tried doing more frequent water changes, but that didn't help either. I came across this product and gave it a try. After 2 days, there was no change, but on the 7th day after adding this product, the phosphate level had been lowered to 0.0!I'd been having major problems with algae (due to the phosphates, no doubt), but since using this, I've gotten very minimal algae growth in the tank. Good product --- I wish I'd found it sooner.

    5.0 out of 5 stars I am blown the **** away!!!!

    n.r. · February 1, 2023

    I am absolutely blown away by this product. I had brown algae all over my tank and I knew it crucial that I get rid of it before it sucks all the oxygen out my tank and kill all babies. Truth be told I was super hesitant at first but dang this product worked like a charm. Just for reference I have a 20 gallon long and I used two bags. Day one I put one bag on top of my sponge filter and the other behind it as my inhabitants were very curious. Day two woke up that morning and I it was like a dream super clear and all the algae was gone. Day three still going strong but I’m going to have to get another one as the brown algae is still putting up a fight. Definitely recommend this product and will be getting again plus it’s cheaper than the pet-store I work at.

    4.0 out of 5 stars Great filter media but make sure it has good water flow over it

    J.Z. · December 20, 2014

    This product works as described, and I recommend it to others.I was having a phosphates problem for a while in my salt water tank at work because some of my macro algae had broken down in a spot I couldn't reach and was decaying there. I also, unbeknownst to me for a while, had an reverse osmosis/de-ionization filter system that wasn't pulling all the phosphates out of my top-off water. Bottom line, I was able to get the problem in better control using PhosGuard. That's good because the excess phosphates were really feeding some hair algae that had sprung up in my tank.The one thing that you have to note about this product is that it really needs to be in a place where it gets good water circulation over the media. I haven't had much luck in applications where there isn't much flow going directly over the PhosGuard.Additionally, depending on the prices at the time of purchase, you may be able to save money by buying a bag for the PhosGuard and buying the larger quantities of PhosGuard. Once when I did the math, it was about the same price to just keep buying these 100 mL bags, but the next time I needed some it was cheaper to buy the bag and the larger bottle of PhosGuard. Apparently the price of these fluctuate a bit.Other than that, I recommend this to others trying to keep phosphates under control.

    5.0 out of 5 stars Phosguard and Algae control

    B.T. · May 2, 2017

    PhosGuard I am sure is a good product but it is not a cure for algae unless you have a problem with phosphates or silicates which I think most will not. I have several planted tanks. Plants and algae do not go well together so based off reviews I gave this a try. I tried Phosguard and traded one problem for another. What I have found out is most algae thrive on deficiencies control one cause another to pop up. One thing common to most all algae is nitrites, nitrates and ammonia I have started using Purigen and stopped with the Phosguard the plants are much healthier and I have ALL forms of algae under control. I think Seachem make some great products but it is still up to the user to determine what it is that you need. Seems everyone is an expert but 90% of what people tell you is wrong. So try to focus on reliable sources and do all things in moderation. Your tank and your fish will thank you for it. It is not a cure for Algae but under very specific conditions which are not the norm but more of an exception.

    Awsome product for algae control

    S. · August 7, 2018

    Ive had problems with brown algae in my 75 gallon tank for ages,I came across a video of this product and thought i'd give it a try. Best move ever,controls the algae for weeks and when i see new algae i just put in a new pack and its gone. I would totally recommend this product to anyone with an algae problem

    Top

    Z.S. · May 3, 2025

    Top produkt,👍Ich bin sehr zufrieden.

    Best Seachem Products

    a. · July 22, 2021

    Original Seachem product. My water had a lot of phosphates and had diatom nightmare and this product reduced a very little bit. The best thing I recommend installing a UV filter will kill floating diatom to some extent and control it by doing more water changes.The seller is a good and genuine Seachem product

    Buen producto

    J.L.L.C. · February 6, 2025

    Excelente producto. Realmente baja los fosfatos en acuario marino

    Yo temgo un aquarium y de tiempo empezar con phosguard , de agua mismo cristales

    A. · June 28, 2021

    Eso es muy importante por aquarium

    Similar suggestions by Bolo

    More from this brand

    Similar items from “Aquarium Water Treatments”