Brightwell Alkalin8.3-P Dry PH Buffer 2.2 lb (1 kg)
Advanced adsorbent designed to remove phosphate and silicate from aquarium water. Provides rapid and reliable results, ideal for ongoing nutrient control programs.
Features a spherical shape and high porosity to maximize reactive surface area, enhancing contact time and reducing water channeling or packing. This design outperforms non-spherical phosphate-adsorbent media.
| Usage | Details |
|---|---|
| Recommended dosage | 2 g of Extrax Phos per 1 US-gallon (3.8 L) of aquarium water |
| Adsorption capacity | 600 grams can adsorb up to 20 mg/L of phosphate in 300 US-gallons (1,136 L) |
| Compatibility | Safe for use in all freshwater and marine aquaria, including planted freshwater and reef systems |
| Exhaustion safety | Does not release phosphate, silicate, or soluble compounds when exhausted |
FAQ
Can this product be used in both freshwater and marine aquariums?
Yes, it is safe for use in all freshwater and marine aquaria, including freshwater planted systems and reef systems.
How much product is needed per gallon of water?
2 grams of Extrax Phos per 1 US-gallon (3.8 L) of aquarium water.
Does the product release harmful substances when it becomes exhausted?
No, it does not release phosphate, silicate, or soluble compounds into the aquarium when exhausted.
Zoe Wilkins –
Used this in my 55-gallon freshwater planted tank for three months. Phosphate levels dropped noticeably, and my plants grew more vigorously. No fish stress or water changes needed. Easy to measure and mix.
Maria Vaughan –
Good performance in a reef tank. The spherical shape helps it stay evenly distributed. I’ve used it monthly since setup and haven’t seen any water quality issues.
Lisa Marshall –
Highly effective at reducing phosphate. The instructions are clear and the product works quickly. No clumping or settling problems during use.
Grace Scott –
Works well in a large marine tank. I added it every two months and noticed better clarity and less algae growth. Safe for corals and fish.