Poseidon Pool Service are experienced and reliable pool service technicians. Call on us for all of your pool opening & pool closing needs. When the summer is over and you are thinking of closing your swimming pool down for the season, the reliable service technicians at Poseidon are at your disposal to safely shut down your pool equipment, balance your water, cover your pool and get it safely closed for the off-season. Consequently, when it’s time to open your pool again in the summer, we are a call away and ready to get your pool back to ready to swim condition.