big water change

[stuccodude]

i was considering doing a 50% water change today, my calcium is 507, my potassium is 499 and silica is 3.80 and phos .360 and boron is low at.80, i got my water tested by a lab and i have been getting these numbers better and better after each test was wondering if a big water change would stress my pets, thank you

[szwab]

keep the temp and salinity real close and you should be fine.

[WaterKeeper]

Change away. That type of water change usually does no harm. Just give it a few days before doing another one that large.

[stuccodude]

thanks for the replies

[kydsexy]

wait! when was your last water change?