How much treatment a pond needs
A dam that looks modest from the gate can hold far more water than you think. Size it in litres before you buy a bag.
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Green water in spring: treat it before it mats
A green tint in October is the easy version of this problem. Leave it, and the same pond is pea soup by Christmas.
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RUSH: Frequently Asked Questions
If your pond’s gone murky and you want it looking better this week, not next month, RUSH is usually what we point people at. Here…
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AquaSphere PRO: Frequently Asked Questions
If your pond’s gone green and someone’s told you to try an AquaSphere PRO, you’ll want to know what you’re actually throwing in there. These…
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When to Start Getting Your Pond Ready for Summer
You want a pond that looks good over summer. Clear water, something you’re happy for people to see, not a job hanging over you. A…
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Emergent invasive plants on New Zealand pond edges
Alligator weed, parrot’s feather, primrose willow, reed sweet grass and Manchurian wild rice: how to tell them apart on a pond edge.
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Aquatic herbicides or a natural follow-up, for duckweed and other weeds
A herbicide can clear a heavy mat quickly. It does not remove the nutrients, and in New Zealand it is not always yours to apply.
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Black pond dye or blue
Black dye is the reflective choice, and the one most golf courses use. Blue is the brighter water most people expect on a smaller pond.
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Four things worth knowing about pond dye
Pond dye is for a pond that is already clear. It colours the water in about a day, lasts about a month, and it stains skin and clothes.
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Common pond problems
Green water, stringy growth, sludge and a smell are different stages of the same nutrient problem. Match the look, then the product.
