We built our pond in May 2020. its about .1 acres (Maybe .08 Acres- 85'x45'). Its about 5.5 feet deep in the center. Pond liner under sand and rocks. Water source is a shallow well we dug the same time we build the pond. We have 100 HBG, about 10 LMB, 6 CC and 1 Carp, and we put in 1000 FHM last spring that have been reproducing like crazy.

Long story short. The water was opaque green color from the start, and you could barely see through 1 foot down. I got a 5 gal bucket of some pond dye "Tropical Shade", blue/green color (good deal on a local classified ad). It improved the appearance, and I thought was helping block the UV. Then all of a sudden, last fall the water went clear. Like we can see to the bottom clear, then some moss started growing along any structure or rocks, other weeds, etc. I put in more dye, but now it is just a very transparent blue/green color. Winter came and we had a great ice skating season. Now the Ice is off and it is apparent how bad the moss problem will be if I don't do something. The kids love swimming in it, and I don't want it to be too mossy for them to enjoy swimming.

Is there a pond dye that will block the Sunlight better than my "Tropical Shade" dye? I would love to get back to that opaque green color, when I didn't have moss growing on everything.

So my questions are:

1: what dye would you recommend?

2: any idea what might have caused the pond to go so crystal clear last fall?

Thanks

Trapper

ps: See attached pictures of the dye and my moss problem.

Attached Images
Attach0_20220219_093933.jpg Attach25375_20220219_093949.jpg
Last edited by TrapperUtah; 02/19/22 11:44 AM.