HydraShield Rainwater Tank Purifier 1L
$42.00 excl. GST
- Chlorine-free disinfectant for rainwater tanks, made by Bianco (code BIA-TANKCLENZ1L).
- Hydrogen peroxide based: 7.5% hydrogen peroxide with a trace of silver (under 0.01%). It breaks down into oxygen and water.
- 1 litre is a shock dose for a 5,000 litre tank, or a maintenance dose for up to 15,000 litres.
- No chlorine taste or smell.
- Pick up only from our shop at 2 Mill Lane, Warkworth. We don’t courier this product.
A chlorine-free way to disinfect your rainwater tank
HydraShield is a hydrogen peroxide based tank disinfectant, and it's what we prefer over chlorine for shock dosing a rainwater tank. There's no chlorine taste or smell afterwards, and it breaks down into oxygen and water. It's made by Bianco and sold in New Zealand by White International. We keep it in stock at our Warkworth shop.
The 1 litre bottle suits smaller tanks and top-up doses. For bigger tanks, the 5 litre container is better value.
When to use it
- After a tank clean, or when a new tank is filled for the first time.
- When the water smells, looks dirty, or a water test finds bacteria such as E. coli.
- As a regular maintenance dose. Rain dilutes it, so check the level after heavy rain.
How much to use
Use a shock dose the first time, or when the water is dirty or smells. After that, use the maintenance dose. These rates are from the HydraShield label.
| Water in the tank | Shock dose (30 ppm) | Maintenance dose (10 ppm) |
|---|---|---|
| 1,000 L | 200 ml | 67 ml |
| 5,000 L | 1 L | 334 ml |
| 10,000 L | 2 L | 667 ml |
| 15,000 L | 3 L | 1 L |
| 25,000 L | 5 L | 1.7 L |
| 30,000 L | 6 L | 2 L |
| 60,000 L | 12 L | 4 L |
Pour the dose into the tank. Test the water with a HydraShield test strip 2 hours after a shock dose, or 24 hours after a maintenance dose. If the level is too low, add another maintenance dose and test again. HydraShield test strips are sold separately.
It doesn't replace a UV filter
A shock dose cleans up the tank, but it wears off, and it doesn't protect you from protozoa such as Giardia and Cryptosporidium. For safe drinking water every day, we recommend a UV water filter with a 1 micron filter, serviced every 12 months.
Safety
HydraShield can irritate your skin and cause serious eye damage. Wear gloves and eye protection when you pour it, and keep it away from children. Store it in the original container with the vented cap, somewhere cool and well ventilated, out of direct sun and away from heat.
Pick up from our Warkworth shop
We don't courier HydraShield. Order online and pick it up from 2 Mill Lane, Warkworth, Monday to Friday, 8:00 to 4:30. Rather we did the job for you? Call us on 0800 278 296.
