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Frequently Asked Questions About Hydra Crystal

Is Hydra Crystal safe to use with fish and wildlife?
Hydra Crystal is harmless to fish and wildlife it rapidly flocculates and clears green and cloudy water and is safe for your pets to drink from the water.

What water should I use to mix with my Crystal dose?
You should use tap water, NOT POND water to mix your Crystal powder. NOTE: DO NOT USE WATER THAT HAS BEEN PROCESSED THROUGH A WATER SOFTENER AS IT CONTAINS SALT.

How long does it take to work?
Within 30 minutes the Hydra Crystal will start clearing your water - a large water body will take about 24 hours to clear. The mineral structure of Hydra Crystal will sink to the bottom where your filtration system will remove it.

Can I use this water for irrigation?
It is safe to use this water on plants and grass, there is no waiting time before using the water.

How long to leave before retreating (if it does not clear on the first application)?
Hydra Crystal will usually clear the green algae cells on its first application, but in cases of heavy investation a second treatment may be necessary. In 2nd treatment use at the initial dosage rate and you can retreat water after 24 hours.

When I added Crystal my water went brown!
When you add Hydra Crystal to water, the water goes brown initially this is due to the minerals in the product absorbing the algae, this is quite harmless and will clear once all the algae has been absorbed.

Why do I need your Filter Blanket? I have a filter system!
It is true that most pond filtration systems do a very good job with your pond water on a day to day basis. When treating you pond to remove the green water causing algae using the Hydra Crystal, the particles you are trying to remove are simply much too small to be captured by most filter systems. Adding the filter balnket during treatment captures the smaller paticles resulting in clearer water.

Download the Hydra Cyrstal
Data Sheetand MSDS Information (PDF)

What is the initial dose? What is the maintenance dose?

Initial Treatment Dose for Badly Fouled Water
1 Heaped Spoonful (Blue Spoon in Tub)Treats 100 Gallons
1 OunceTreats 93 Gallons
28 OuncesTreats 2,600 Gallons
8 PoundsTreats 11,900 Gallons
Maintenance Dosage
1 Heaped Spoonful (Blue Spoon in Tub)Treats 400 Gallons
1 OunceTreats 372 Ggallons
28 OuncesTreats 10,400 Gallons
8 PoundsTreats 47,600 Gallons

How much time between Treatments?
While everyone's pond is a little different, the water will nomally stay clear from 3 to 5 weeks. If the water starts to turn green, a smaller maintenance dose should clear the water again.

Overdosing
While Hydra Crystal is a very safe product we would not recommend overdosing as you would be wasting your money, however we have tested it at 1:4,000 and found that it was still safe to aquatic life. Once the water is clear there is no need to re-dose unless you are using the maintenance program.

IMPORTANT! YOU MUST READ AND CAREFULLY FOLLOW THE PRODUCT INSTRUCTIONS ATTACHED TO YOU INVOICE!

Testimonials on Hydra Crystal