Please wait...
Please wait...

Marine Aquarium Conditioners

Conditioners designed to enhance the Marine Aquarium Environment

There are 38 products in Marine Aquarium Conditioners.


Tetra Marine Aquasafe 250ml

Tetra Marine Aquasafe 250ml

Tapwater contains harmful substances such as chlorine, chloramine, and heavy metals, which are dangerous for fish and corals. Before using tapwater in a marine aquarium it must be properly conditio...

RRP: £9.39

Seapets price

£7.35

More info

Add to basket

Tetra Marine Safe Start

Tetra Marine Safe Start

Marine aquariums rely on beneficial bacteria living in the filter, substrate, and rocks to remove the harmful ammonia that fish produce. In their absence, levels would rise quickly and prove fatal ...

Seapets price

From £8.10

More info

Api Tap Water Purifier

Api Tap Water Purifier

Single cartridge tap water filtration system- filters 50 litres of water per hour with no waste.
Produces an average of 250 - 750 litres of perfect deionised aquarium water depending on mineral con...

Seapets price

£94.85

More info

Add to basket

Api Tap Water Purifier Refill

Api Tap Water Purifier Refill

Tap water filter. Makes deionised water for aquariums.
Removes: All dissolved minerals, all heavy metals, undesirable contaminants, Chlorine and Chloramine, organic pollutants.

Seapets price

£50.99

More info

Add to basket

Api Phos-Zorb 150ml

Api Phos-Zorb 150ml

A specialised absorption filter medium in a pouch that removes the naturally occurring nutrients, phosphate and silicate. It promotes the growth of reef-building corals and prevents calcium precip...

Seapets price

£17.99

More info

Add to basket

NT LabsMarine Buffer Powder 500g

NT LabsMarine Buffer Powder  500g

NT Labs Marine KH Buffer Powder for marine aquariums raises the pH to 8.3 and is a more stable buffer than other brands on the market. NT Labs Marine Buffer Powder increases the carbonate hardness ...

Seapets price

£9.99

More info

Add to basket

NT Labs Marine Phosphate Remover 375g

NT Labs Marine Phosphate Remover 375g

NT Labs Marine Phosphate Remover permanently removes phosphate to help prevent unwanted algae growth in marine aquariums. Best used in conjunction with NT Labs Marine Filter Media Bags, to be posit...

Seapets price

£14.99

More info

Add to basket

NT Labs Marine Trace Element Replacer 50ml

NT Labs Marine Trace Element Replacer 50ml

NT Labs Marine Trace Element Replacer replaces 25 essential trace elements in marine aquariums: Sb, As, Be, Bi, Cd, Cs, Cr, Co, Cu, Ge, Au, Fe, Pb, Li, Hg, Mo, Ni, Nb, Ag, Sr, Sn, Ti, W, V, Zn. Thi...

Seapets price

£7.99

More info

Add to basket

NT Labs Marine Supercarb 250g

NT Labs Marine Supercarb 250g

NT Labs Marine Supercarb is super active filter medium, it removes organic molecules, colour taint and significantly enhances water clarity in marine aquariums. Use to remove residues of treatments...

Seapets price

£14.99

More info

Add to basket

Seachem Prime 250ml

Seachem Prime 250ml

Prime is the complete and concentrated conditioner for both fresh and salt water. Prime removes chlorine, chloramine and ammonia. Prime converts ammonia into a safe, non-toxic form that is readil...

RRP: £11.99

Seapets price

£7.95

More info

Seachem Reef Advantage Magnesium

Seachem Reef Advantage Magnesium

Reef Advantage Magnesium is a concentrated optimised blend of magnesium, chloride and sulphate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found i...

Seapets price

From £9.49

More info

Seachem Reef Calcium

Seachem Reef Calcium

Reef Calcium is a concentrated bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH.

Polygluconate complexationconfers several benefit...

Seapets price

From £8.49

More info

Seachem Reef Advantage Strontium 70g

Seachem Reef Advantage Strontium 70g

Reef Advantage Strontium restores and maintains strontium to levels found in natural sea water. Strontium is utilised by corals in the same manner as calcium and holds a similar importance in main...

Seapets price

£5.99

More info

Add to basket

Seachem Reef Strontium

Seachem Reef Strontium

Reef Strontium is intended to restore and maintain strontium to levels found in natural seawater without affecting pH. Srontium is utilised in the same manner as calcium and holds a similar import...

Seapets price

From £8.49

More info

Seachem De Nitrate

Seachem De Nitrate

De nitrate removes nitrates, nitrites, ammonia, and organics from both fresh and marine water. The high porosity of de nitrate supports the proliferation of both aerobic and anaerobic bacteria tha...

Seapets price

From £6.99

More info

Seachem De Nitrate

Seachem De Nitrate

De nitrate removes nitrates, nitrites, ammonia, and organics from both fresh and marine water. The high porosity of de nitrate supports the proliferation of both aerobic and anaerobic bacteria tha...

Seapets price

£11.49

More info

Seachem Phosguard

Seachem Phosguard

PhosGuard rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard is highly porous for high capacity and bead...

Seapets price

From £7.99

More info

Seachem Phosguard

Seachem Phosguard

PhosGuard rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard is highly porous for high capacity and bead...

Seapets price

£13.49

More info

Seachem Renew

Seachem Renew

Renew is ideal for use in systems where phosphate released from all activated carbons poses a problem. Renew is also less aggressive than carbon, making it well suited for reefs and planted aquari...

Seapets price

From £5.99

More info

Seachem Renew

Seachem Renew

Renew is ideal for use in systems where phosphate released from all activated carbons poses a problem. Renew is also less aggressive than carbon, making it well suited for reefs and planted aquari...

Seapets price

£7.99

More info

Polyfilter Underworld

Polyfilter Underworld

This unique, specially patented filter medium for chemically filtering and purifying both fresh and saltwater aquaria. Polyfilter will remove excess nutrients, toxins and unwanted pollutants. Als...

Seapets price

£15.79

More info

Add to basket

Red Sea Reef Foundation A (ca/Sr) - 500ml

Red Sea Reef Foundation A (ca/Sr) - 500ml

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£12.76

More info

Add to basket

Red Sea Reef Foundation A (ca/Sr) - 1kg Powder

Red Sea Reef Foundation A (ca/Sr) - 1kg Powder

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£18.36

More info

Add to basket

Red Sea Reef Foundation B (alk) - 500ml

Red Sea Reef Foundation B (alk) - 500ml

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£12.76

More info

Add to basket

Red Sea Reef Foundation B (alk) - 1kg Powder

Red Sea Reef Foundation B (alk) - 1kg Powder

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£18.36

More info

Add to basket

Red Sea Reef Foundation C (mg) - 500ml

Red Sea Reef Foundation C (mg) - 500ml

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£12.76

More info

Add to basket

Red Sea Reef Foundation C (mg) - 1kg Powder

Red Sea Reef Foundation C (mg) - 1kg Powder

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£18.36

More info

Add to basket

Red Sea Reef Foundation Complete - 1kg Powder

Red Sea Reef Foundation Complete - 1kg Powder

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£18.36

More info

Add to basket

Red Sea Reef Foundation Complete - 5kg Powder

Red Sea Reef Foundation Complete - 5kg Powder

Reef Foundation Products are balanced supplements for building robust coral skeletons.

Ensuring that the basic foundation elements, Calcium, Magnesium, Strontium and Carbonate are readily availabl...

Seapets price

£47.96

More info

Add to basket

Red Sea No3:po4 - X Nitrate & Phosphate Reducer 500ml

Red Sea No3:po4 - X Nitrate & Phosphate Reducer 500ml

N:P-X Bio NO3/PO4 Reducer is a unique treatment to control nuisance algae and promote coral colouration.

An aquarium that maintains a basic low level of the algae nutrients, Nitrate and Phosphate ...

Seapets price

£14.36

More info

Add to basket

Red Sea No3:po4 - X Nitrate & Phosphate Reducer 1l

Red Sea No3:po4 - X Nitrate & Phosphate Reducer 1l

N:P-X Bio NO3/PO4 Reducer is a unique treatment to control nuisance algae and promote coral colouration.

An aquarium that maintains a basic low level of the algae nutrients, Nitrate and Phosphate ...

Seapets price

£23.96

More info

Add to basket

Red Sea Reef Colors A (iodine/Halogens)

Red Sea Reef Colors A (iodine/Halogens)

Reef Colours are complementary supplements for vibrant coral colouration.

The Reef colour products are a range of four supplements that contain non-foundation elements. They are related by the bio...

Seapets price

£13.56

More info

Add to basket

Red Sea Reef Colors B (potassium)

Red Sea Reef Colors B (potassium)

Reef Colours are complementary supplements for vibrant coral colouration.

The Reef colour products are a range of four supplements that contain non-foundation elements. They are related by the bio...

Seapets price

£13.56

More info

Add to basket

Red Sea Reef Colors C (iron/Trace)

Red Sea Reef Colors C (iron/Trace)

Reef Colours are complementary supplements for vibrant coral colouration.

The Reef colour products are a range of four supplements that contain non-foundation elements. They are related by the bio...

Seapets price

£13.56

More info

Add to basket

Red Sea Reef Colors D (trace)

Red Sea Reef Colors D (trace)

Reef Colours are complementary supplements for vibrant coral colouration.

The Reef colour products are a range of four supplements that contain non-foundation elements. They are related by the bio...

Seapets price

£13.56

More info

Add to basket

Red Sea Reef Energy A (carbs) - 500ml

Red Sea Reef Energy A (carbs) - 500ml

Reef Energy nutritional supplements are essential for coral vitality and growth.

They provide the combination of nutritional carbohydrates, amino acids and vitamins which enable corals to grow th...

Seapets price

£15.16

More info

Add to basket

Red Sea Reef Energy B (aminovit) - 500ml

Red Sea Reef Energy B (aminovit) - 500ml

Reef Energy nutritional supplements are essential for coral vitality and growth.

They provide the combination of nutritional carbohydrates, amino acids and vitamins which enable corals to grow th...

Seapets price

£15.16

More info

Add to basket

Red Sea Coralline Gro 500ml

Red Sea Coralline Gro 500ml

Coralline Gro is a trace element and buffer complex that promotes the active development of Coralline algae in all marine systems.

Coralline Gro should be used while cycling all new systems and co...

Seapets price

£13.56

More info

Add to basket
Entrust Security

Nutrafin 50% extra free

Nutrafin Fish Food Offer

Nutrafin Max Goldfish Flakes and Tropical Flakes have an extra 50% in the 38g size. You receive 57g for the price of 38g while stocks last. Prices from £3.09.

Nutrafin Max Goldfish Flakes 38g

Nutrafin Max Tropical Flakes 38g

Fluval CO2

Grow your plants beautifully with the Pressurised Fluval CO2 Kits.

These great Fluval CO2 kits will make all the difference to the plants in your aquarium, providing the water conditions and lighting is good of course. Great prices at Seapets always.

Fluval CO2 Range »

Nutrafin Test Kits 3 For 2

Nutrafin Test Kits

These popular test kits are Buy Three for the Price of Two. Choose any three single test kits and the lowest price one will be free. Now you can really check what the water conditions are like.

Nutrafin Test Kits

Tropic Marin Salt

Tropic Marin Salt as used in aquariums worldwide

The complete range of TMC and other major brands of salt, delivered to your door from Seapets, all at the very best prices.

Marine Salt »

Join Us On

TwitterFaceBookYouTube

Get access to
exclusive offers

Coral Pro Salt

Coral Pro Sea Salt is specially formulated for use with reverse osmosis water, an innovative new salt formula designed to meet the needs of today's advanced hobbyist. 22kg bucket makes 660 L (175 gal) Seapets price Just £49.95

Red Sea Coral Pro Salt

Gift Vouchers by Seapets

Gift Vouchers

Stuck for a gift idea? With our fantastic range of pet and aquatic products our Gift Vouchers make an ideal solution for your pet loving friend, available now!

Go to Gift Vouchers

Further Information

Juwel Aquariums

 Juwel Aquariums

All the models and all the colours, always available.The aquarium prices include our carefully arranged delivery to your door.

Juwel Aquarium Range

Seapets - supplying aquariums in the UK for more than 32 years

Buying and advice guide

Email or call our team for help and advice, lines open daily.

Email sales@seapets.co.uk

Tel 0845 230 4777
(local rate)
or 01206 213338

Website, images and contents copyright Seapets, 1974 - 2009.

Web Design and Search Engine Optimisation by Coast Digital
Website engine and hosting by Corby+Fellas


Basket

£0.00

(0 items)
Expand basket Checkout
Your basket is empty