Can it be put in the Fluval C3 Filter?

Yes, you can put it in the c-3 filter, but what I do is pretreat my water in a separate tank with Clearmax to remove the phosphates from our well water. For this I use a 5 gallon tank and a topfin filter, just put the bag of Clearmax where the charcoal filter goes. I use a little salt, and stress coat in the actual tank. I have never had a bad reaction, and my (adult) kids laugh about my tank full of invisible (not rare, just hard to find) fish. I am not aware of any phosphate remover that does not have an iron oxide component.If you issue is not your water source you might look to the food. I found that certain foods spiked the phosphorus levels, oddly enough, in my tank API foods that promised not to cause algae were the biggest problem.

Fluval, the back of the box states it treats 300L. Is this for each 100g pack or does it mean a total of 3 packs?

I am pretty sure it's for each 100g pack. There is no way that any filter for that size tank could hold 3, especially since the bag needs to be weighted down or it will float.

Is one pack of fluval clearmax enough for a 55 gallon tank?

kinda goes by how hi the test are and number of packets use. older tank 55 gallon i would probably use the 3 packs and test 1st day and 35th day

Would this remove the beneficial tannins from Indian Almond Leaves?

so that is a good question. I would think yes. But it really is for older setups

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Fluval Clear Max Phosphate Remover 300g - 3 x 100g - treats 3 x 100L,Brown

Fluval Clear Max Phosphate Remover 300g - 3 x 100g - treats 3 x 100L,Brown

Product ID: 254683866

Details

Brand
Fluval
Item form
Granules
Item weight
0.33 Kilograms
Liquid volume
100 Liters
Number of Packs
3

💧Treats 3 x 100L water volumes

🧪3 x 100g granules packs

♻️Reusable in filter or direct water

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Description

💧 Clear water, clear mind — elevate your aquarium game!

TRIPLE POWER PACKS - Three 100g granule bags for extended, hassle-free phosphate removal
CRYSTAL CLEAR WATER - Effectively reduces phosphates to keep your aquarium sparkling clean and odor-free
VERSATILE PLACEMENT - Use in filter or directly in water for maximum convenience and efficiency
FRESH SALTWATER READY - Perfectly formulated for both freshwater and saltwater aquariums, no compromises
MAINTENANCE MADE SIMPLE - Easy monthly replacement keeps your aquatic environment thriving without the guesswork

Fluval Clear Max Phosphate Remover comes in a convenient 3-pack of 100g granule bags, each treating up to 100 liters of aquarium water. Designed for both freshwater and saltwater tanks, it efficiently reduces phosphates and odors, ensuring crystal-clear water. Its flexible placement options—either in the filter or directly in the tank—make maintenance straightforward and effective, perfect for aquarium enthusiasts seeking pristine aquatic environments.

Specifications

ASIN	B0002DHQIY
Best Sellers Rank	#29,783 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,768 in Aquarium Accessories
Brand Name	Fluval
Customer Reviews	4.6 4.6 out of 5 stars (5,025)
Global Trade Identification Number	00015561113489
Item Form	Granules
Item Type Name	Clear Max Phosphate Remover 300g - 3 x 100g - treats 3 x 100L
Item Weight	0.33 Kilograms
Liquid Volume	100 Liters
Manufacturer	Hagen
Manufacturer Part Number	A1348
Model Number	A1348
Target Species	Fish
UPC	015561113489 015561113762
Unit Count	300 Grams

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