Instruction reads use 1 capful for every 50 gallons of new water. So a 35% change on 55 gal. tank, takes 1/4 cap? Sounds too good to be true.

Per Seachem's instructions, if you are doing a partial water change of 35%, if you are adding water directly from the tap (such as with a water changer such as a Python or Aqueon) you add enough Prime for the volume of the whole tank. On the other hand, if you're removing 35% and then adding the water using a bucket, you can dechlorinate the amount of each bucket. For example, if you're using a 3 gallon bucket, 6 drops Prime per bucket, and then add that to the tank. The Prime works almost immediately, so just add the drops to the bucket, and then it is ready to pour into your tank.

How long does it take to work when setting up a new tank? Thanks!!

this removes the chlorine, etc. almost immediately, I add it to the aquarium when doing water changes, ands just pour the water into the tank. remember this just removes the harmful chemicals, your tank will still have to cycle through the nitrogen cycle if you are setting up a new tank.

I end up with alot of foam at the top of my aquariums when I add prime,Have I added too much to my tap water changes,My Tap water is high in iron

The small bottle of prime has a flip cap which allows you to add drops. If you have the large bottle of Prime use an eye dropper. When doing a water change, fill a clean, never seen soap or chemicals bucket of fresh water and add Prime to this fresh water, not directly into your tank - 2 drops per gallon. I also do not get foam. I do a 50 - 60 percent water change weekly along with a gravel vac. If you are stll getting foam after a gravel vac and water change I would suggest you give Seachem a call. They have great customer service. When cleaning your tank, give your filter sponge, floss a swish around in used tank water also to remove some of the gunk and put right back in. Do not rinse in untreated fresh water, by doing so you can lose your cycle.

I'm looking to remove chlorine from my pool, will this work?

It will work but there may be less expensive options from a pool dealer. It decholorinates any typerson of water.

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💧 Keep your aquatic world pristine—because your fish deserve the best!

ALLERGEN FREE SAFE - Gentle on fish and plants, free from harmful additives and allergens.
NO BATTERIES NO FUSS - Simple, chemical-based solution requiring zero power—eco-friendly and hassle-free.
CONCENTRATED 250 ML FORMULA - Long-lasting supply that keeps your aquarium safe without frequent refills.
RAPID CHLORINE NEUTRALIZATION - Instantly detoxifies tap water, ensuring a healthy environment for all aquatic life stages.
UNIVERSAL WATER COMPATIBILITY - Perfectly balances both freshwater and marine tanks for seamless aquatic care.

Seachem Prime 250ml is a powerful, fast-acting water conditioner that removes chlorine and detoxifies heavy metals in both freshwater and saltwater aquariums. Suitable for all life stages, this allergen-free formula ensures a safe, healthy environment for your aquatic pets with a concentrated dose that lasts.

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Item model number	075223
Is Discontinued By Manufacturer	No
Pet Life Stage	All Life Stages
Flavor	Other
Item Form	Dechlorinates
Allergen Information	Allergen-Free
Volume	250 Milliliters
Number of items	1
Specific Uses	Indoor
batteries required	No
Batteries Included	No
External Testing Certification	Não aplicável

Seachem シーケムプライム Prime 250ml 淡水・海水両用カルキ抜き

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

Seachem シーケム プライム Prime 250ml 淡水・海水両用 カルキ抜き

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

Seachem シーケムプライム Prime 250ml 淡水・海水両用カルキ抜き