+1. Just do your water changes as normal. Just make sure the water temp is close to the temperature in the tank and that the flow isn't directed at the eggs when you refill the tank.No need to do a water change unless it is on your schedule. Its not necessary for egg survival.
I don’t have an answer for you since I’ve never had angels spawn, but congrats!!I was checking out my tank before doing a water change until I noticed eggs on my sword plant. Looks like my angelfish are spawning. Once she is done laying eggs would it be safe to do a water change? How many percent should I take out? This is my first time having angel's spawn.
View attachment 229431
The first time angels spawned for me I was all excited. It was my first tank in 1985 so we won't talk about how inappropriate the tank was. Anyways, I was all excited, but then the pleco ate them. The next time I caught them in the process, and realized they were two females.If it is the first spawn chances are pretty good they won't hatch - if you do want them to hatch then make sure the water stays above the eggs. Btw if you get near them during the water change she will likely attack you so don't be overly startled when an angry angel charges your hand. It took my angels 4 or 5 tries to get it right....