MasterLine Liquid

Masterline was founded in 2016, but the first tests for aquarium plant fertilisers began back in 2006. At the time, founder Marian Sterian fell in love with the sheer variety and beauty of gorgeous underwater plants. Since then, the company's effective aquarium plant fertilisers have become a firm favourite among aquarium enthusiasts around the world.

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MasterLine: 15 items

3 Options
4.8 (21)
MasterLine Carbo, 1000ml
- Organic, liquid carbon source
- Solo use or with CO2 supply
- Basis for growth & vitality
£22.50 (£22.50 / l)

Delivery by May 09
3 Options
5.0 (7)
MasterLine All In One, 500ml

-5%
- Combination fertiliser with N, P, K, Mg, Fe, Mn, Zn, B, Cu, Mo
- Robust plant growth, rich leaf colours
- Suppresses algae growth
£23.32 £24.50 (£46.64 / l)

Delivery by May 09
3 Options
4.6 (11)
MasterLine AllinOne Golden, 500ml

-5%
- Combination fertiliser with N, P, K, Mg, Fe, Mn, Zn, B, Cu, Mo
- Only for pools with added CO2
- Especially for difficult plants
£23.32 £24.50 (£46.64 / l)

Delivery by May 09
2 Options
5.0 (3)
MasterLine Potassium, 1000ml
- Pure potassium
- Prevents leaf damage
- Stimulates foliage
£19.65 (£19.65 / l)

Delivery by May 09
3 Options
4.9 (18)
MasterLine MasterLine I, 1000ml
- Combination fertiliser with Fe, Mn, Zn, B, Cu, Mo
- Robust plant growth, rich leaf colours
- Combination with MasterLine II & Carbo
£19.65 (£19.65 / l)

Delivery by May 15
4.5 (15)
MasterLine Root Caps, 125 g
- Robust growth, intense colours
- Water quality remains unaffected
- Refreshment after 3 months
£29.50 (£236.00 / kg)

Delivery by May 09
3 Options
4.9 (12)
MasterLine MasterLine II, 1000ml
- Combination fertiliser with N, P, K, Mg
- Robust plant growth, rich leaf colours
- Suppresses algae growth
£19.65 (£19.65 / l)

Delivery by May 09
2 Options
4.7 (3)
MasterLine ZipBag, 17 x 22cm (1 ml)
- Developed for MasterLine Purity
- Compatible with similar filter media
- Fine 250-micron material
£7.85 (£7,850.00 / l)

Delivery by May 09
2 Options
5.0 (2)
MasterLine AllinOne Lean, 500ml
- Combination fertiliser with N, P, K, Mg, Fe, Mn, Zn, B, Cu, Mo
- Only for pools with soil & CO2 addition
- Promotes healthy growth
£24.50 (£49.00 / l)

Delivery by May 09
2 Options
5.0 (2)
MasterLine Iron, 500ml

-5%
- Pure iron
- Prevents leaf chlorosis
- Intensifies leaf colours
£12.11 £12.75 (£24.22 / l)

Delivery by May 09
2 Options
5.0 (3)
MasterLine Phosphat, 500ml

-5%
- Phosphate fertiliser plus potassium
- Provides important macronutrients
- Increases plant growth
£12.11 £12.75 (£24.22 / l)

Delivery by May 09
2 Options
4.0 (2)
MasterLine Nitrate, 1000ml
- Nitrate fertiliser plus potassium
- Prevents nitrogen deficiency
- Suitable for shock fertilisation
£19.65 (£19.65 / l)

Delivery by May 09
2 Options
4.5 (2)
MasterLine Purity, 500ml
- Removes ammonia & nitrite
- Simple application
- Regenerative (multiple uses possible)
£44.00 (£88.00 / l)

Delivery by May 09
4.1 (7)
MasterLine Pump 1.2ml
- Compatible with MasterLine liquid fertiliser bottles
- Pump head including tube hose
- Practical dosage of 1.2ml & 1ml
£1.95

Delivery by May 09
4.9 (7)
MasterLine Pump 5ml
- Compatible with MasterLine liquid fertiliser bottles
- Pump head including tube hose
- Practical dosage of 5ml & 1ml
£2.45

Delivery by May 15