SKU: 50509404320

Aquavitro Reef Eight.Four

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Description

Aquavitro Reef Eight.FourAquavitro Eight. Four (8. 4) Aquavitro Eight. Four is used to safely raise marine pH while adjusting alkalinity in reef aquaria by providing a balanced buffer system with a pK of 8. 6. Supplies a properly balanced buffer system that yields an industry leading pK of 8. 6 which makes pH maintenance of 8. 3 8. 5 easy Will safely raise marine pH while adjusting alkalinity Many competing buffers for reef aquaria are simply sodium bicarbonate. Such buffers

Aquavitro Eight.Four (8.4)

Aquavitro Eight.Four is used to safely raise marine pH while adjusting alkalinity in reef aquaria by providing a balanced buffer system with a pK of 8.6.

  • Supplies a properly balanced buffer system that yields an industry-leading pK of 8.6 which makes pH maintenance of 8.3-8.5 easy
  • Will safely raise marine pH while adjusting alkalinity

Many competing buffers for reef aquaria are simply sodium bicarbonate. Such buffers have a pK of only 8.0 in saltwater and simply are unable to maintain a pH above 8.0. The low buffering pK is a function of the low carbonate/bicarbonate ratio.

eight.four™ supplies a properly balanced (carbonate/bicarbonate) buffer system that yields an industry leading pK of 8.6 which makes pH maintenance of 8.3-8.5 easy. A higher pK increases the buffer's ability to counteract inevitable acidic sources in the water. eight.four™ will safely raise marine pH while adjusting alkalinity. eight.four™ contains a concentrated, balanced blend of bicarbonate and carbonate salts designed to restore disrupted buffer systems and increase carbonate alkalinity.

If an alkalinity of 6 meq/L has been reached and a pH of at least 8.20 has not been attained, the system may be ionically unbalanced. Check magnesium levels. If magnesium is low, use ions™. However, if magnesium levels are within optimal range, the buffer ratio has likely been disrupted (the buffer ratio changes as a natural consequence of the buffer's ability to counteract acidifying sources such as organic acids). You can raise pH without raising alkalinity using balance™.

Unlike competing products that require multi-day interval dosing when combined with carbonate supplements, eight.four™ can be dosed daily and within minutes of our calcification™ as well as balance™ and ions™

Directions:

Dosing requirements will vary, but do not exceed the recommended dose without checking your pH and alkalinity (alkalinity should not exceed 6 meq/L). Use 5 mL for every 80 L (20 US gallons) daily until pH stabilizes to desired level.

pH stabilization may take from a day to a week, depending on original pH, alkalinity, and buffer system balance. Thereafter, use as needed to maintain pH.

Use Seachem’s MultiTest®: Marine pH & Alkalinity to check pH and total alkalinity. For a complete analysis of alkalinity, use Seachem’s Reef Status®: Magensium & Carbonate/Borate Alkalinity kit.

FAQ:

How much will one dose of eight.four™ raise my alkalinity?

A: Each 5 mL of eight.four™ added to 80 L (20 US gallons) (standard dose) will raise alkalinity by 0.25meq/L (or 0.7 dKH).

I am planning on using eight.four™ in my tank to boost my alkalinity. I see on the bottle that it says it safely raises pH to 8.4. Does this mean you cannot overdose this product?

A: While eight.four™ is certainly a very safe and effective means of adding alkalinity, overdosing is possible with any product. eight.four™ is blended in such a way that allows one to dose a significant amount more than the standard dose without overshooting pH above 8.4. However, your alkalinity can still be overshot causing issues with ionic balance. Significant overdosing of this product could potentially cause too high of a KH, thus resulting in issues with maintaining other parameters, namely calcium. It is always best to test your alkalinity before adding the product and use it as needed.

How do I know if I should use balance or eight.four to raise pH in my reef aquarium? Do they do the same thing?

A: No, these are actually two very different products. eight.four is a buffer that will raise both pH and KH (alkalinity) in your aquarium by adding a blend of buffering agents such as carbonates and bicarbonates to your system. balance specifically targets pH only by re-establishing the proper bicarbonate/carbonate ratio by using a hydroxide blend to raise pH without having an impact on KH, calcium or magnesium levels. If your calcium, magnesium and alkalinity are all in the proper levels but pH is still low, you can use balance to correct this. If calcium, magnesium and/or alkalinity is also low in addition to pH, then you may want to use eight.four in addition to other products in the aquavitro range such as calcification or ions to address any other deficiencies.

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SKU: 50509404320

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bill a.
Lexington, US
★★★★★ 5
Awesome
Color: Orange
Awesome Toy . My Jack is crazy over it. She usually get bored with others, but this toy still has her attention after a couple of weeks Runs a long time on a short charge. 👍🏻
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Reviewed in the United States on May 30, 2026
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Chad
San Leandro, US
★★★★★ 2
Not the Fetch-Fest I Hoped For
Color: Orange
I had high hopes for the PetDroid Interactive Dog Ball, especially with the newly upgraded features and promises of durable, motion-activated fun. Unfortunately, it didn’t quite live up to expectations for my furry friend. Here’s why I’m giving it 2 stars. Promising Features, Lackluster Results The idea behind this toy is fantastic: a durable, motion-activated ball that would entertain my dog without much effort on my part. The ball is supposed to roll around on its own, keeping my dog engaged and active. However, in practice, it just didn’t capture my dog’s interest. Durability I will give credit where it’s due: the ball is well-made and seems durable. It can withstand some rough handling, which is great for more aggressive chewers. Unfortunately, durability doesn’t mean much if your dog won’t play with it in the first place. Motion Activation The motion activation feature is hit or miss. While the ball does move around as advertised, it didn’t seem to move in a way that intrigued my dog. He gave it a sniff, watched it for a minute, and then walked away, unimpressed. I tried multiple times to get him interested, but he simply wasn’t having it. Lack of Engagement The biggest issue is that the ball just didn’t engage my dog at all. It might be more suitable for a different personality type or breed, but for my pooch, it was a total flop. He’s usually quite playful and curious, so I was surprised by his lack of interest. Final Thoughts Overall, the PetDroid Interactive Dog Ball might work for some dogs, but it was a miss for mine. If your dog is easily entertained by automated toys, it might be worth a try. However, based on my experience, I can’t wholeheartedly recommend it. Pros: Durable construction Motion-activated as advertised Cons: Did not engage my dog Motion activation wasn’t intriguing enough Might be more suitable for specific dog types or personalities If you decide to give it a shot, just be prepared for the possibility that your dog might not find it as entertaining as you hope. For us, it’s back to the drawing board for a more engaging toy.
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Reviewed in the United States on June 14, 2024
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Sally
Chelsea, US
★★★★★ 4
Pup Loves It, Some Other Notes
Color: Orange
We've had this for about six months and my 75 lb, 14-month-old German Shepherd pup LOVES IT. Her favorite is "Crazy Bouncing Mode." In fact, she doesn't care much for the normal mode. She chews it a lot - even drops it in her water bowl at times - and it's still going strong. This is a great purchase. It's nice hands-off entertainment. Do know that it is heavy compared to a normal ball - if your pup likes dropping it on the ground like mine does, it will land with a hard "thud," even with the included sleeve. Hopefully you don't have downstairs neighbors. Also know that the cover that goes over the charging port is removable and your dog may choke on it if they chew it in just the right manner. Definitely only let the pup play with it while supervised. All in all, great toy.
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Reviewed in the United States on February 11, 2026
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Michelle
Omaha, US
★★★★★ 5
Fun toy that is tough!
Pattern Name: Cage Ball, Size: Large - 4 Inch / 8.5 oz
This is a great ball that my dog loves and he has not destroyed it!k
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Reviewed in the United States on March 13, 2026
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A
Grantham, US
★★★★★ 5
Strongest iv found so far
Pattern Name: Ball, Size: Large - 3 Inch / 12 oz
It lasted longer than most but it’s in pieces after 2 weeks
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Reviewed in the United States on February 28, 2026

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