Seachem Prime 250ml
In stock
Smart shoppers OnBuy it!
- Earn Cashback on every purchase – spend it instantly on your next order
- Free delivery – on millions of items across the site
- Customers love us – 128,000 Trustpilot reviews and an 'Excellent' rating
Interest-free payment options available
See full product description & details
Delivery: Standard (Free) | Tue 7th - Thu 9th Jul
Sold by: Kettering Koi & Ponds Ltd, there are 2 other sellers
Returns: 30 days
180-day payment protection
Most Popular in Aquarium Water Testing & Treatments
Seachem Prime 250ml Description
Prime is the complete and concentrated conditioner for both fresh and saltwater. Prime removes chlorine, chloramine and detoxifies ammonia. Prime converts ammonia into a safe, non-toxic form that is readily removed by the tank’s biofilter. Prime may be used during tank cycling to alleviate ammonia/nitrite toxicity. Prime detoxifies nitrite and nitrate, allowing the biofilter to more efficiently remove them. It will also detoxify any heavy metals found in the tap water at typical concentration levels. Prime is non-acidic and will not impact pH. Prime will not overactivate skimmers. Use at start-up and whenever adding or replacing water.
When transporting or quarantining fish, use Seachem StressGuard. When adding new fish, use Stability. Both are ideal for use with Prime.
Nearly all companies manufacture a product that removes chlorine. None of those, however, can compare in quality, concentration, or effectiveness to Seachem’s flagship product: Prime. Prime is the second most concentrated dechlorinator on the market after our own aquavitro alpha. A single 100 mL bottle will treat 1000 US gallons of tap water. Prime will remove both chlorine and chloramines from municipal water supplies.
Prime also contains a binder which renders ammonia, nitrite, and nitrate non-toxic. It is very important to understand how those two functions work together. All dechlorinators operate through a chemical process known as reduction. In this process, toxic dissolved chlorine gas (Cl2) is converted into non-toxic chloride ions (Cl-). The reduction process also breaks the bonds between chlorine and nitrogen atoms in the chloramine molecule (NH2Cl), freeing the chlorine atoms and replacing them with hydrogen (H) to create ammonia (NH3).
Typically, dechlorinators stop there, leaving an aquarium full of toxic ammonia! Seachem takes the necessary next step by including an ammonia binder to detoxify the ammonia produced in the reduction process.
Be very careful when purchasing water conditioners. If your municipality includes chloramines in the water supplies, a standard sodium thiosulfate dechlorinator is not enough. Prime promotes the natural production and restoration of the slime coat rather than relying on artificial or non-native slime compounds. A further bonus for the reef hobbyist—Prime will not overactivate protein skimmers.
Details
| OPC | PCVFCJ |
|---|---|
| Brand | Seachem |
| Codes | 0000116043601 (EAN) |
| MPN | 436 |
| Rank | #128 Aquarium Water Testing & Treatments |
| #449 Fish Feeding & Healthcare |
Compare Sellers for Seachem Prime 250ml
- New from £14.45
| Seller | Ratings | Warranty | Returns | Price | Delivery | Total | Quantity |
|---|---|---|---|---|---|---|---|
| (143 reviews) | - |
30 Days
Free Returns No
|
£14.45
|
+Fast & Free Delivery
Est. Delivery:
7th-9th Jul
|
£14.45
Recommended
We recommend listings based on a combination of price, delivery time, quality of seller reviews and other factors
|
||
| (828 reviews) | - |
30 Days
Free Returns No
|
£14.45
|
+Fast & Free Delivery
Est. Delivery:
6th-7th Jul
|
£14.45
|
||
| (670 reviews) | - |
30 Days
Free Returns No
|
£18.65
|
+Fast & Free Delivery
Est. Delivery:
7th-9th Jul
|
£18.65
|
Earn as you shop with instant Cashback on everything.
No catch, no cost
- Paid into your OnBuy account
- Spend it on your next purchase
- Save it or withdraw it
Become a Cashback VIP
Just 1 purchase unlocks bigger deals & rates





















