ADA · Single nutrient
ECA Plus
Tanks where new growth has gone pale or yellow from an iron shortage.

ADA · Single nutrient
A liquid iron supplement from ADA's Green Brighty range, for vigorously growing plants that use a lot of iron. It is dosed alongside ADA's other Green Brighty bottles rather than on its own.
Updated
Fast-growing and red plants showing pale new growth from low iron.
Pale new leaves are not always iron. Check the deficiency guide first so you do not overdose one nutrient.
Figures from the maker's published specifications. Makers revise products, so check the current figures before buying. Photos supplied by the brand or its distributor.
ADA · Single nutrient
Tanks where new growth has gone pale or yellow from an iron shortage.
ADA · Single nutrient
Tanks with pinholes in older leaves from low potassium, especially with hard tap water.
ADA · Single nutrient
Heavily planted, lightly stocked tanks where older leaves yellow from low nitrogen.
2HR Aquarist · Starter and bacteria
New aquasoil tanks during cycling, or after a big rescape or filter clean.
Quick answers about the ADA Green Brighty Iron, drawn from its specs.
Fast-growing and red plants showing pale new growth from low iron.
Pale new leaves are not always iron. Check the deficiency guide first so you do not overdose one nutrient.
Other fertilisers & treatments worth comparing: ADA ECA Plus, ADA Green Brighty Neutral K, ADA Green Brighty Nitrogen. Add any of them to the compare table to see the specs side by side.
Tap Compare on this page and on any other fertiliser or treatment you are considering, then open the compare table. It lines up every published spec side by side and lets you pick the size of each product.